MeSH ID: T033

Related Concepts:

  • Abnormal Deep Tendon Reflex [M0337243]
  • Abortion, Criminal [M0000029]
    Illegal termination of pregnancy.
  • Acute-Phase Reaction [M0000325]
    An early local inflammatory reaction to insult or injury that consists of fever, an increase in inflammatory humoral factors, and an increased synthesis by hepatocytes of a number of proteins or glycoproteins usually found in the plasma.
  • Afferent Pupillary Defect [M0337225]
  • Agranulocytosis [M0000580]
    A decrease in the number of GRANULOCYTES; (BASOPHILS; EOSINOPHILS; and NEUTROPHILS).
  • Akathisia [M0018025]
  • Algor Mortis [M0017359]
  • Allergic Reaction [M0010852]
  • Altidudinal Hemianopia [M0336601]
  • Amnestic State [M0332651]
  • Anisocoria [M0024304]
    Unequal pupil size, which may represent a benign physiologic variant or a manifestation of disease. Pathologic anisocoria reflects an abnormality in the musculature of the iris (IRIS DISEASES) or in the parasympathetic or sympathetic pathways that innervate the pupil. Physiologic anisocoria refers to an asymmetry of pupil diameter, usually less than 2mm, that is not associated with disease.
  • Arrhythmia [M0001715]
    Any variation from the normal rhythm or rate of the heart beat.
  • Arrhythmia, Sinus [M0001716]
    Irregularity of the heart rate related to functioning of the sinoatrial node.
  • Arthritis, Bacterial [M0001744]
  • Ascites [M0001791]
    Accumulation or retention of free fluid within the peritoneal cavity.
  • Asphyxia [M0001859]
    A pathological condition caused by lack of oxygen, manifested in impending or actual cessation of life.
  • Astrocytosis [M0393306]
  • Atelectasis [M0001899]
  • Atrial Fibrillation [M0001926]
    Disorder of cardiac rhythm characterized by rapid, irregular atrial impulses and ineffective atrial contractions.
  • Autolysis [M0001990]
    The spontaneous disintegration of tissues or cells by the action of their own autogenous enzymes.
  • Azotemia [M0022320]
    A biochemical abnormality referring to an elevation of BLOOD UREA NITROGEN and CREATININE. Azotemia can be produced by KIDNEY DISEASES or other extrarenal disorders. When azotemia becomes associated with a constellation of clinical signs, it is termed UREMIA.
  • Babinski Sign Absent [M0336988]
  • Binasal Hemianopia [M0336602]
  • Birth History [M0026646]
  • Bitemporal Hemianopia [M0392865]
  • Blood Loss, Surgical [M0024551]
    Loss of blood during a surgical procedure.
  • Blood Pressure [M0002706]
    PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS.
  • Body Mass Index [M0024445]
    An indicator of body density as determined by the relationship of BODY WEIGHT to BODY HEIGHT. BMI=weight (kg)/height squared (m2). BMI correlates with body fat (ADIPOSE TISSUE). Their relationship varies with age and gender. For adults, BMI falls into these categories: below 18.5 (underweight); 18.5-24.9 (normal); 25.0-29.9 (overweight); 30.0 and above (obese). (National Center for Health Statistics, Centers for Disease Control and Prevention)
  • Bradycardia [M0002863]
    Excessive slowness in the action of the heart, usually with a heart rate below 60 beats per minute.
  • Brugada ECG Pattern [M0496827]
  • Bulbocavernosus Reflex, Decreased [M0337244]
  • Bulbocavernousus Reflex Absent [M0337245]
  • Cardiac Hypertrophy [M0453089]
    Enlargement of the HEART due to chamber HYPERTROPHY, an increase in wall thickness without an increase in the number of cells (MYOCYTES, CARDIAC). It is the result of increase in myocyte size, mitochondrial and myofibrillar mass, as well as changes in extracellular matrix.
  • Cardiac Output [M0003452]
    The volume of BLOOD passing through the HEART per unit of time. It is usually expressed as liters (volume) per minute so as not to be confused with STROKE VOLUME (volume per beat).
  • Cardiac Output, High [M0025236]
    A state of elevated cardiac output. Conditions that lower peripheral vascular resistance, such as anemia, arteriovenous fistulas, thyrotoxicosis, and pregnancy, are among the most important factors augmenting the venous return and therefore elevating cardiac output. Increased cardiac output also occurs in muscular exercise, fever, and severe anoxia.
  • Cardiac Output, Low [M0003453]
    A state of subnormal or depressed cardiac output, usually seen in patients with heart failure secondary to coronary artery, hypertensive, primary myocardial, valvular, or pericardial disease.
  • Cardiac Volume [M0003457]
    The volume of the HEART, usually relating to the volume of BLOOD contained within it at various periods of the cardiac cycle. The amount of blood ejected from a ventricle at each beat is STROKE VOLUME.
  • Cardiomegaly [M0009952]
    Enlargement of the HEART, usually indicated by a cardiothoracic ratio above 0.50. Heart enlargement may involve the right, the left, or both HEART VENTRICLES or HEART ATRIA. Cardiomegaly is a nonspecific symptom seen in patients with chronic systolic heart failure (HEART FAILURE, CONGESTIVE) or several forms of CARDIOMYOPATHIES.
  • Cardiopulmonary Arrest [M0009939]
  • Cellulitis [M0003788]
    An acute, diffuse, and suppurative inflammation of loose connective tissue, particularly the deep subcutaneous tissues, and sometimes muscle, which is most commonly seen as a result of infection of a wound, ulcer, or other skin lesions.
  • Central Venous Pressure [M0003808]
    The blood pressure in the central large VEINS of the body. It is distinguished from peripheral venous pressure which occurs in an extremity.
  • Cerebellar Dysmetria [M0337062]
  • Cerebellar Gait Ataxia [M0337099]
  • Charcot Gait [M0337768]
  • Choroid Hemorrhage [M0004349]
    Hemorrhage from the vessels of the choroid.
  • Choroidal Neovascularization [M0029921]
    A pathological process consisting of the formation of new blood vessels in the CHOROID.
  • Cicatrix [M0004472]
    The formation of new tissue in the process of wound healing.
  • Consciousness, Level Altered [M0337398]
  • Consciousness, Level Depressed [M0337397]
  • Constriction, Pathologic [M0005049]
    The condition of an anatomical structure's being constricted beyond normal dimensions.
  • Contracture [M0005128]
  • Contusions [M0005130]
    Injuries resulting in hemorrhage, usually manifested in the skin.
  • Convalescence [M0005131]
    The period of recovery following an illness.
  • cytology [M0030350]
    Used for cellular appearance of unicellular and multicellular organisms.
  • Death [M0005701]
    Irreversible cessation of all bodily functions, manifested by absence of spontaneous breathing and total loss of cardiovascular and cerebral functions.
  • Death, Sudden [M0005707]
    The abrupt cessation of all vital bodily functions, manifested by the permanent loss of total cerebral, respiratory, and cardiovascular functions.
  • Death, Sudden, Cardiac [M0025533]
    Sudden suspension of cardiac activity that is usually due to ARRHYTHMIA, in contrast to heart attack (MYOCARDIAL INFARCTION) which occurs due to blockage. The sudden suspension of cardiac activity generally requires RESUSCITATION.
  • Deep Vein Thrombosis [M0328963]
  • Dental Occlusion, Balanced [M0005904]
    Dental occlusion in which the occlusal contact of the teeth on the working side of the jaw is accompanied by the harmonious contact of the teeth on the opposite (balancing) side. (From Jablonski, Dictionary of Dentistry, 1992, p556)
  • Dermatitis Seborrheica [M0019585]
  • Dermatitis, Contact [M0006052]
    A type of acute or chronic skin reaction in which sensitivity is manifested by reactivity to materials or substances coming in contact with the skin. It may involve allergic or non-allergic mechanisms.
  • Dermatitis, Seborrheic [M0019584]
    A chronic inflammatory disease of the skin of unknown etiology. It is characterized by moderate erythema, dry, moist, or greasy scaling, and yellow crusted patches on various areas, especially the scalp. On the scalp, it generally appears first as small patches of scales, progressing to involve the entire scalp with exfoliation of excessive amounts of dry scales (dandruff).
  • Diuresis [M0006623]
  • Duck Gait [M0337769]
  • Dysarthria, Pseudobulbar [M0336490]
  • Dysmenorrhea [M0006924]
    Painful menstruation.
  • Ecchymosis [M0006955]
    Extravasation of blood into the skin, resulting in a nonelevated, rounded or irregular, blue or purplish patch, larger than a petechia.
  • Efferent Pupillary Defect [M0337226]
  • Emphysema [M0007311]
    A pathological accumulation of air in tissues or organs.
  • Employment Status [M0007325]
  • Empyema [M0007327]
    Presence of pus in a hollow organ or body cavity.
  • Endotoxemia [M0028934]
    A condition characterized by the presence of ENDOTOXINS in the blood. On lysis, the outer cell wall of gram-negative bacteria enters the systemic circulation and initiates a pathophysiologic cascade of pro-inflammatory mediators.
  • Erythema Chronicum Migrans [M0024184]
    A deep type of gyrate erythema that follows a bite by an ixodid tick; it is a stage-1 manifestation of LYME DISEASE. The site of the bite is characterized by a red papule that expands peripherally as a nonscaling, palpable band that clears centrally. This condition is often associated with systemic symptoms such as chills, fever, headache, malaise, nausea, vomiting, fatigue, backache, and stiff neck.
  • Etat Marbre [M0335699]
  • Eunuchism [M0007946]
    The state of being a eunuch, a male without TESTES or whose testes failed to develop. It is characterized by the lack of mature male GERM CELLS and TESTICULAR HORMONES.
  • Eye Movements [M0008093]
    Voluntary or reflex-controlled movements of the eye.
  • Facial Expression [M0008115]
    Observable changes of expression in the face in response to emotional stimuli.
  • Far-Western Blot [M0380710]
  • Fat Necrosis [M0008251]
    A condition in which the death of adipose tissue results in neutral fats being split into fatty acids and glycerol.
  • Fetal Macrosomia [M0008403]
    A condition of fetal overgrowth leading to a large-for-gestational-age FETUS. It is defined as BIRTH WEIGHT greater than 4,000 grams or above the 90th percentile for population and sex-specific growth curves. It is commonly seen in GESTATIONAL DIABETES; PROLONGED PREGNANCY; and pregnancies complicated by pre-existing diabetes mellitus.
  • Fibrosis [M0008453]
    Any pathological condition where fibrous connective tissue invades any organ, usually as a consequence of inflammation or other injury.
  • Fibrosis, Liver [M0012637]
  • Fissure in Ano [M0008525]
    A painful linear ulcer at the margin of the anus. It appears as a crack or slit in the mucous membrane of the anus and is very painful and difficult to heal. (Dorland, 27th ed & Stedman, 25th ed)
  • Fixed Pupils [M0337230]
  • Focal Neurologic Deficits [M0337174]
  • Foreign-Body Reaction [M0008743]
    Chronic inflammation and granuloma formation around irritating foreign bodies.
  • Gait [M0008932]
    Manner or style of walking.
  • Gait Ataxia [M0328400]
    Impairment of the ability to coordinate the movements required for normal ambulation (WALKING) which may result from impairments of motor function or sensory feedback. This condition may be associated with BRAIN DISEASES (including CEREBELLAR DISEASES and BASAL GANGLIA DISEASES); SPINAL CORD DISEASES; or PERIPHERAL NERVOUS SYSTEM DISEASES.
  • Gait Ataxia, Sensory [M0337097]
  • Gait, Athetotic [M0337771]
  • Gait, Broadened [M0337772]
  • Gait, Drop Foot [M0337773]
  • Gait, Festinating [M0337774]
  • Gait, Frontal [M0337775]
  • Gait, Hemiplegic [M0337776]
  • Gait, Hysterical [M0337777]
  • Gait, Reeling [M0337778]
  • Gait, Rigid [M0337779]
  • Gait, Scissors [M0337780]
  • Gait, Shuffling [M0337781]
  • Gait, Spastic [M0337782]
  • Gait, Stumbling [M0337783]
  • Gait, Unsteady [M0337784]
  • Gait, Widebased [M0337785]
  • Gastrointestinal Hemorrhage [M0010153]
    Bleeding in any segment of the GASTROINTESTINAL TRACT from ESOPHAGUS to RECTUM.
  • Gingival Hemorrhage [M0009237]
    The flowing of blood from the marginal gingival area, particularly the sulcus, seen in such conditions as GINGIVITIS, marginal PERIODONTITIS, injury, and ASCORBIC ACID DEFICIENCY.
  • Gingivitis [M0009245]
  • Gliosis [M0009275]
    The production of a dense fibrous network of neuroglia; includes astrocytosis, which is a proliferation of astrocytes in the area of a degenerative lesion.
  • Glomerular Necrosis [M0490226]
  • Graft Occlusion, Vascular [M0009575]
    Obstruction of flow in biological or prosthetic vascular grafts.
  • Growth Disorders [M0009654]
    Deviations from the average values for a specific age and sex in any or all of the following: height, weight, skeletal proportions, osseous development, or maturation of features. Included here are both acceleration and retardation of growth.
  • Guillain-Barre Syndrome [M0017242]
    An acute inflammatory autoimmune neuritis caused by T cell- mediated cellular immune response directed towards peripheral myelin. Demyelination occurs in peripheral nerves and nerve roots. The process is often preceded by a viral or bacterial infection, surgery, immunization, lymphoma, or exposure to toxins. Common clinical manifestations include progressive weakness, loss of sensation, and loss of deep tendon reflexes. Weakness of respiratory muscles and autonomic dysfunction may occur. (From Adams et al., Principles of Neurology, 6th ed, pp1312-1314)
  • Heart Arrest [M0009938]
    Cessation of the heart beat.
  • Heart Contractility [M0448187]
  • Heart Rate [M0009960]
    The number of times the HEART VENTRICLES contract per unit of time, usually per minute.
  • Heart Rate, Fetal [M0009961]
    The heart rate of the FETUS. The normal range at term is between 120 and 160 beats per minute.
  • Heart Sounds [M0009970]
    The sounds heard over the cardiac region produced by the functioning of the heart. There are four distinct sounds: the first occurs at the beginning of SYSTOLE and is heard as a "lubb" sound; the second is produced by the closing of the AORTIC VALVE and PULMONARY VALVE and is heard as a "dupp" sound; the third is produced by vibrations of the ventricular walls when suddenly distended by the rush of blood from the HEART ATRIA; and the fourth is produced by atrial contraction and ventricular filling.
  • Hemarthrosis [M0010037]
    Bleeding into the joints. It may arise from trauma or spontaneously in patients with hemophilia.
  • Hematemesis [M0010038]
    Vomiting of blood that is either fresh bright red, or older "coffee-ground" in character. It generally indicates bleeding of the UPPER GASTROINTESTINAL TRACT.
  • Hematocele [M0010040]
    Hemorrhage into a canal or cavity of the body, such as the space covered by the serous membrane (tunica vaginalis) around the TESTIS leading to testicular hematocele or scrotal hematocele.
  • Hematochezia [M0010154]
    The passage of bright red blood from the rectum. The blood may or may not be mixed with formed stool in the form of blood, blood clots, bloody stool or diarrhea.
  • Hematoma [M0010048]
    An extravasation of blood localized in an organ, space, or tissue.
  • Hematuria [M0010065]
    Presence of blood in the urine.
  • Hemianopsia [M0010070]
    Partial or complete loss of vision in one half of the visual field(s) of one or both eyes. Subtypes include altitudinal hemianopsia, characterized by a visual defect above or below the horizontal meridian of the visual field. Homonymous hemianopsia refers to a visual defect that affects both eyes equally, and occurs either to the left or right of the midline of the visual field. Binasal hemianopsia consists of loss of vision in the nasal hemifields of both eyes. Bitemporal hemianopsia is the bilateral loss of vision in the temporal fields. Quadrantanopsia refers to loss of vision in one quarter of the visual field in one or both eyes.
  • Hemianopsia, Homonymous [M0336599]
  • Hemifacial Myokymia [M0336393]
  • Hemifacial Spasm [M0029059]
    Recurrent clonic contraction of facial muscles, restricted to one side. It may occur as a manifestation of compressive lesions involving the seventh cranial nerve (FACIAL NERVE DISEASES), during recovery from BELL PALSY, or in association with other disorders. (From Adams et al., Principles of Neurology, 6th ed, p1378)
  • Hemobilia [M0010097]
    Hemorrhage in or through the BILIARY TRACT due to trauma, inflammation, CHOLELITHIASIS, vascular disease, or neoplasms.
  • Hemoperitoneum [M0010147]
    Accumulations of blood in the PERITONEAL CAVITY due to internal HEMORRHAGE.
  • Hemopneumothorax [M0010150]
    Collection of air and blood in the pleural cavity.
  • Hemorrhage [M0010152]
    Bleeding or escape of blood from a vessel.
  • Hemothorax [M0010185]
    Hemorrhage within the pleural cavity.
  • Henoch Purpura [M0018184]
  • Hepatic Coma [M0010199]
  • Hepatic Vein Thrombosis [M0010202]
    An acute or subacute blockage of the HEPATIC VEINS, usually extrahepatic and caused by blood clots (THROMBUS) or fibrous webs. Parenchymal FIBROSIS is uncommon.
  • Hepatomegaly [M0010237]
    Enlargement of the liver.
  • Hoffman's Reflex [M0337299]
  • Hyperhidrosis [M0010826]
    Excessive sweating. In the localized type, the most frequent sites are the palms, soles, axillae, inguinal folds, and the perineal area. Its chief cause is thought to be emotional. Generalized hyperhidrosis may be induced by a hot, humid environment, by fever, or by vigorous exercise.
  • Hyperkalemia [M0010828]
    Abnormally high potassium concentration in the blood, most often due to defective renal excretion. It is characterized clinically by electrocardiographic abnormalities (elevated T waves and depressed P waves, and eventually by atrial asystole). In severe cases, weakness and flaccid paralysis may occur. (Dorland, 27th ed)
  • Hypermetria [M0337064]
  • Hyperreflexia [M0018690]
  • Hypersensitivity [M0010851]
    Altered reactivity to an antigen, which can result in pathologic reactions upon subsequent exposure to that particular antigen.
  • Hypertonia, Detrusor Muscle [M0336414]
  • Hypertonia, Infantile [M0336415]
  • Hypertonia, Neonatal [M0336416]
  • Hypertonia, Sphincter [M0336417]
  • Hypertonia, Transient [M0336418]
  • Hypertrophy [M0010875]
    General increase in bulk of a part or organ due to CELL ENLARGEMENT and accumulation of FLUIDS AND SECRETIONS, not due to tumor formation, nor to an increase in the number of cells (HYPERPLASIA).
  • Hyphema [M0010879]
    Bleeding in the anterior chamber of the eye.
  • Hypokalemia [M0010909]
    Abnormally low potassium concentration in the blood. It may result from potassium loss by renal secretion or by the gastrointestinal route, as by vomiting or diarrhea. It may be manifested clinically by neuromuscular disorders ranging from weakness to paralysis, by electrocardiographic abnormalities (depression of the T wave and elevation of the U wave), by renal disease, and by gastrointestinal disorders. (Dorland, 27th ed)
  • Hyponatremia [M0010911]
    Deficiency of sodium in the blood; salt depletion. (Dorland, 27th ed)
  • Hyporeflexia [M0018689]
  • Hypotension [M0010927]
    Abnormally low blood pressure seen in shock but not necessarily indicative of it. (Dorland, 28th ed)
  • Hypotension, Orthostatic [M0010929]
    A drop in blood pressure upon standing or after standing motionless in a static position.
  • Hypovolemic Shock [M0019781]
  • Hypsarrhythmia [M0020211]
  • Illegitimacy [M0011034]
    The state of birth outside of wedlock. It may refer to the offspring or the parents.
  • Incidental Discovery [M0401964]
  • Incidental Findings [M0401963]
    Unanticipated information discovered in the course of testing or medical care. Used in discussions of information that may have social or psychological consequences, such as when it is learned that a child's biological father is someone other than the putative father, or that a person tested for one disease or disorder has, or is at risk for, something else.
  • Infarction [M0011293]
    Formation of an infarct, which is NECROSIS in tissue due to local ISCHEMIA resulting from obstruction of BLOOD CIRCULATION, most commonly by a THROMBUS or EMBOLUS.
  • Infertility, Female [M0011304]
    Diminished or absent ability of a female to achieve conception.
  • Infertility, Male [M0011306]
    The inability of the male to effect FERTILIZATION of an OVUM after a specified period of unprotected intercourse. Male sterility is permanent infertility.
  • Inflammation [M0011307]
    A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function.
  • Intestinal Perforation [M0011577]
    Opening or penetration through the wall of the INTESTINES.
  • Intraoperative Complications [M0011598]
    Complications that affect patients during surgery. They may or may not be associated with the disease for which the surgery is done, or within the same surgical procedure.
  • Ketosis [M0012000]
    A condition characterized by an abnormally elevated concentration of ketone bodies in the body tissues and fluids. It is a complication of diabetes mellitus and starvation. (Dorland, 27th ed)
  • Kidney Cortex Necrosis [M0012013]
    Death of cells in the KIDNEY CORTEX, a common final result of various renal injuries including HYPOXIA; ISCHEMIA; and drug toxicity.
  • Kidney Papillary Necrosis [M0012022]
    A complication of kidney diseases characterized by cell death involving KIDNEY PAPILLA in the KIDNEY MEDULLA. Damages to this area may hinder the kidney to concentrate urine resulting in POLYURIA. Sloughed off necrotic tissue may block KIDNEY PELVIS or URETER. Necrosis of multiple renal papillae can lead to KIDNEY FAILURE.
  • Kidney, Cystic [M0012030]
    A kidney containing one or more cysts.
  • Laryngeal Edema [M0012228]
    Edema of any region of the larynx from a variety of causes. In the earliest stages it may be difficult to differentiate from infection, although mucosal injection and erythema are found more often in the latter. Allergic edema may result as a response from provocation induced by foods, inhalants, and drugs. The entire respiratory tract or only an isolated portion of the larynx may be affected. Laryngeal edema may also be hereditary. Other possible causes of laryngeal edema include increased capillary pressure due to superior vena cava syndrome, internal jugular vein ligation, lowered plasma osmotic failure induced by renal failure, impaired lymphatic flow, and increased capillary permeability to proteins. (From Paparella et al., Otolaryngology, 3d ed, p2253)
  • Laryngitis [M0012236]
    Inflammation of the larynx. This condition presents itself with dryness and soreness of the throat, difficulty in swallowing, cough, and hoarseness.
  • Lens Opacities [M0003629]
  • Leukemia, Monocytic, Chronic [M0023834]
  • Lipidemia [M0490249]
    Abnormally high level of lipids in blood.
  • Liver Cirrhosis [M0012636]
    Liver disease in which the normal microcirculation, the gross vascular anatomy, and the hepatic architecture have been variably destroyed and altered with fibrous septa surrounding regenerated or regenerating parenchymal nodules.
  • Livor Mortis [M0017361]
  • Lockjaw [M0336519]
  • Lymphadenitis [M0012783]
    Inflammation of the lymph nodes.
  • Lymphangitis [M0012791]
  • Lymphopenia [M0012825]
    Reduction in the number of lymphocytes.
  • Malacoplakia [M0012909]
    The formation of soft patches on the mucous membrane of a hollow organ, such as the urogenital tract or digestive tract.
  • Malignant Hyperthermia [M0012932]
    Rapid and excessive rise of temperature accompanied by muscular rigidity following general anesthesia.
  • Marche a Petit Pas [M0337787]
  • Masseter Muscle Spasm [M0336520]
  • Melena [M0013320]
    The black, tarry, foul-smelling FECES that contain degraded blood.
  • Menorrhagia [M0013382]
    Excessive uterine bleeding during MENSTRUATION.
  • Metrorrhagia [M0013711]
    Abnormal uterine bleeding that is not related to MENSTRUATION, usually in females without regular MENSTRUAL CYCLE. The irregular and unpredictable bleeding usually comes from a dysfunctional ENDOMETRIUM.
  • Miosis [M0024306]
    Pupillary constriction. This may result from congenital absence of the dilatator pupillary muscle, defective sympathetic innervation, or irritation of the CONJUNCTIVA or CORNEA.
  • Multiple Organ Failure [M0014196]
    A progressive condition usually characterized by combined failure of several organs such as the lungs, liver, kidney, along with some clotting mechanisms, usually postinjury or postoperative.
  • Myotonia [M0014371]
    Prolonged failure of muscle relaxation after contraction. This may occur after voluntary contractions, muscle percussion, or electrical stimulation of the muscle. Myotonia is a characteristic feature of MYOTONIC DISORDERS.
  • Myotonic Phenomenon [M0336472]
  • Nails, Ingrown [M0014430]
    Excessive lateral nail growth into the nail fold. Because the lateral margin of the nail acts as a foreign body, inflammation and granulation may result. It is caused by improperly fitting shoes and by improper trimming of the nail.
  • Nails, Malformed [M0014431]
    Deformities in nail structure or appearance, including hypertrophy, splitting, clubbing, furrowing, etc. Genetic diseases such as PACHYONYCHIA CONGENITA can result in malformed nails.
  • Neovascularization, Pathologic [M0014620]
    A pathologic process consisting in proliferation of blood vessels in abnormal tissues or in abnormal positions.
  • Neurologic Dysfunction [M0337175]
  • Neurologic Findings [M0337176]
  • Neurologic Manifestations [M0014716]
    Clinical signs and symptoms caused by nervous system injury or dysfunction.
  • Neutropenia [M0014782]
    A decrease in the number of neutrophilic leukocytes in the blood. (Dorland, 27th ed)
  • Non-Syphilitic Argyll-Robertson Pupil [M0337232]
  • Oligomenorrhea [M0015276]
    Abnormally infrequent menstruation.
  • Oral Hemorrhage [M0010155]
    Bleeding from the blood vessels of the mouth, which may occur as a result of injuries to the mouth, accidents in oral surgery, or diseases of the gums.
  • Palmo-Mental Reflex [M0337298]
  • Pathologic Processes [M0016012]
    The abnormal mechanisms and forms involved in the dysfunctions of tissues and organs.
  • Peptic Ulcer Hemorrhage [M0016212]
    Bleeding from a PEPTIC ULCER that can be located in any segment of the GASTROINTESTINAL TRACT.
  • Percussion Myotonia [M0336473]
  • Periaortitis, Chronic [M0018973]
  • Portal Pressure [M0025955]
    The venous pressure measured in the PORTAL VEIN.
  • Postmortem Changes [M0017362]
    Physiological changes that occur in bodies after death.
  • Postoperative Hemorrhage [M0028512]
    Hemorrhage following any surgical procedure. It may be immediate or delayed and is not restricted to the surgical wound.
  • Postpartum Amenorrhea [M0000888]
  • Premarital Pregnancy [M0011036]
  • Pruritus Ani [M0017936]
    Intense chronic itching in the anal area.
  • Pseudobulbar Mutism [M0336491]
  • Pseudobulbar Palsy [M0328276]
    A syndrome characterized by DYSARTHRIA, dysphagia, dysphonia, impairment of voluntary movements of tongue and facial muscles, and emotional lability. This condition is caused by diseases that affect the motor fibers that travel from the cerebral cortex to the lower BRAIN STEM (i.e., corticobulbar tracts); including MULTIPLE SCLEROSIS; MOTOR NEURON DISEASE; and CEREBROVASCULAR DISORDERS. (From Adams et al., Principles of Neurology, 6th ed, p489)
  • Pseudophakia [M0029093]
    Presence of an intraocular lens after cataract extraction.
  • Pulmonary Wedge Pressure [M0018147]
    The blood pressure as recorded after wedging a CATHETER in a small PULMONARY ARTERY; believed to reflect the PRESSURE in the pulmonary CAPILLARIES.
  • Pulse Rate [M0449362]
  • Pupil Reaction Absent [M0337227]
  • Pupillary Paralysis [M0337235]
  • Pupillary Sector Paralysis [M0337236]
  • Purpura Fulminans [M0018182]
  • Purpura Hemorrhagica [M0018186]
  • Purpura, Nonthrombocytopenic [M0018185]
  • Purpura, Schoenlein-Henoch [M0018180]
    A form of nonthrombocytopenic purpura due to a hypersensitivity vasculitis associated with a variety of clinical symptoms including urticaria and erythema, arthropathy and arthritis, gastrointestinal symptoms, and renal involvement.
  • Pyomyositis [M0490118]
    An intramuscular suppuration of the large skeletal muscle groups. It is associated with INFECTION such as STAPHYLOCOCCUS AUREUS and PYODERMA. It was known as a tropical disease but is increasing among the immunocompromised (IMMUNOCOMPROMISED HOST). Symptoms include muscle pain, FEVER, and leucocytosis. It has been diagnosed by MRI SCANS.
  • Quadrantanopsia [M0336600]
  • Rapid Fatigue of Gait [M0337790]
  • Reflex, Absent [M0337246]
  • Reflex, Acoustic, Abnormal [M0337247]
  • Reflex, Anal, Absent [M0337248]
  • Reflex, Anal, Decreased [M0337249]
  • Reflex, Ankle, Abnormal [M0337250]
  • Reflex, Ankle, Absent [M0337253]
  • Reflex, Ankle, Decreased [M0337254]
  • Reflex, Babinski [M0002100]
    An abnormal reflex consisting of dorsiflexion of the great toe and abduction of the other toes in response to cutaneous stimulation of the plantar surface of the foot.
  • Reflex, Biceps, Abnormal [M0337255]
  • Reflex, Biceps, Absent [M0337256]
  • Reflex, Biceps, Decreased [M0337257]
  • Reflex, Corneal, Absent [M0337258]
  • Reflex, Corneal, Decreased [M0337259]
  • Reflex, Deep Tendon, Absent [M0337262]
  • Reflex, Gag, Absent [M0337263]
  • Reflex, Gag, Decreased [M0337264]
  • Reflex, Knee, Abnormal [M0337295]
  • Reflex, Knee, Decreased [M0337294]
  • Reflex, Moro, Asymmetric [M0337293]
  • Reflex, Pendular [M0337292]
  • Reflex, Triceps, Abnormal [M0337291]
  • Reflex, Triceps, Absent [M0337290]
  • Reflex, Triceps, Decreased [M0337289]
  • Renal Tubule Necrosis [M0490227]
  • Respiratory Insufficiency [M0018897]
    Failure to adequately provide oxygen to cells of the body and to remove excess carbon dioxide from them. (Stedman, 25th ed)
  • Respiratory Paralysis [M0018899]
    Complete or severe weakness of the muscles of respiration. This condition may be associated with MOTOR NEURON DISEASES; PERIPHERAL NERVE DISEASES; NEUROMUSCULAR JUNCTION DISEASES; SPINAL CORD DISEASES; injury to the PHRENIC NERVE; and other disorders.
  • Reticuloendotheliosis [M0018936]
    Hyperplasia of reticuloendothelial tissue, in any organ or tissue. A related concept is reticulosis which is an increase in reticuloendothelial elements.
  • Retinal Artery Occlusion [M0023643]
    Occlusion or closure of the central retinal artery causing sudden, usually nearly complete, loss of vision in one eye. Occlusion of the branch retinal artery causes sudden visual loss in only a portion of the visual field.
  • Retinal Hemorrhage [M0018947]
    Bleeding from the vessels of the retina.
  • Retinal Neovascularization [M0024285]
    Formation of new blood vessels originating from the retinal veins and extending along the inner (vitreal) surface of the retina.
  • Retinal Vein Occlusion [M0018952]
    Occlusion of the retinal vein. Those at high risk for this condition include patients with hypertension, diabetes mellitus, arteriosclerosis, and other cardiovascular diseases.
  • Retinal Vein Thrombosis [M0018953]
  • Retrobulbar Hemorrhage [M0028760]
    Hemorrhage within the orbital cavity, posterior to the eyeball.
  • Retroperitoneal Fibrosis [M0018974]
    A slowly progressive condition of unknown etiology, characterized by deposition of fibrous tissue in the retroperitoneal space compressing the ureters, great vessels, bile duct, and other structures. When associated with abdominal aortic aneurysm, it may be called chronic periaortitis or inflammatory perianeurysmal fibrosis.
  • Rhabdomyolysis [M0018999]
    Necrosis or disintegration of skeletal muscle often followed by myoglobinuria.
  • Rhinitis, Atrophic [M0019022]
    A chronic form of rhinitis marked by wasting of the mucous membrane and the glands. It is usually associated with crusting and foul-smelling discharges.
  • Rigor Mortis [M0019118]
    Muscular rigidity which develops in the cadaver usually from 4 to 10 hours after death and lasts 3 or 4 days.
  • Sclerosis [M0019550]
    A pathological process consisting of hardening or fibrosis of an anatomical structure, often a vessel or a nerve.
  • Scotoma, Altitudinal [M0336633]
  • Scotoma, Arcuate [M0336629]
    A localized defect in the visual field bordered by an area of normal vision. This occurs with a variety of EYE DISEASES (e.g., RETINAL DISEASES and GLAUCOMA), OPTIC NERVE DISEASES, and other conditions.
  • Scotoma, Bjerrum [M0336630]
  • Scotoma, Central [M0336631]
  • Scotoma, Centrocecal [M0336632]
  • Scotoma, Paracecal [M0336634]
  • Scotoma, Paracentral [M0336635]
  • Scotoma, Peripheral [M0336636]
  • Scotoma, Scintillating [M0336638]
  • Scotoma, Sector [M0336639]
  • Semiconsciousness [M0337399]
  • Septicemia [M0019666]
    Systemic disease associated with the presence of pathogenic microorganisms or their toxins in the blood.
  • Serositis [M0019682]
    Inflammation of a serous membrane.
  • Shock [M0019782]
    A pathological condition that can suddenly affect the hemodynamic equilibrium, usually manifested by failure to perfuse or oxygenate vital organs.
  • Shock, Cardiogenic [M0019783]
    Shock resulting from diminution of cardiac output in heart disease.
  • Shock, Hemorrhagic [M0019784]
    Acute hemorrhage or excessive fluid loss resulting in HYPOVOLEMIA.
  • Shock, Surgical [M0019789]
    A type of shock that occurs as a result of a surgical procedure.
  • Shock, Traumatic [M0019790]
    Shock produced as a result of trauma.
  • Sick Sinus Syndrome [M0019828]
    Dysfunction of the sinoatrial node manifested by persistent sinus bradycardia, sinus arrest, sinoatrial exit block, chronic atrial fibrillation and inability of the heart to resume sinus rhythm following cardioversion for atrial fibrillation.
  • Spasm, Ciliary Body [M0336510]
  • Spasm, Generalized [M0336511]
  • Splenomegaly [M0020373]
    Enlargement of the spleen.
  • Sterility, Female [M0329024]
  • Sterility, Male [M0329025]
  • Stomatitis, Ulcerative [M0009247]
  • Stress [M0020601]
    A pathological process resulting from the reaction of the body to external forces and abnormal conditions that tend to disturb the organism's homeostasis.
  • Stroke Volume [M0020608]
    The amount of BLOOD pumped out of the HEART per beat not to be confused with cardiac output (volume/time).
  • Sudden Cardiac Arrest [M0490096]
  • Sudden Infant Death [M0020725]
    The abrupt and unexplained death of an apparently healthy infant under one year of age, remaining unexplained after a thorough case investigation, including performance of a complete autopsy, examination of the death scene, and review of the clinical history. (Pediatr Pathol 1991 Sep-Oct;11(5):677-84)
  • Suicide, Attempted [M0020732]
    The unsuccessful attempt to kill oneself.
  • Suppuration [M0020847]
    A pathologic process consisting in the formation of pus.
  • Tachyarrhythmia [M0020997]
  • Tachycardia [M0020996]
    Excessive rapidity in the action of the heart, usually with a heart rate above 100 beats per minute.
  • Tachycardia, Ventricular [M0026083]
    An abnormally rapid ventricular rhythm with wide QRS complexes, usually in excess of 150 per minute. It is generated within the ventricle, below the BUNDLE OF HIS, and is most commonly associated with atrioventricular dissociation.
  • Thrombosis [M0021435]
    Formation and development of a THROMBUS or blood clot in the blood vessel.
  • Thyroid Crisis [M0021477]
    A dangerous life-threatening hypermetabolic condition characterized by high FEVER and dysfunction of the cardiovascular, the nervous, and the gastrointestinal systems.
  • Tonic Pupil [M0024264]
    A pupillary abnormality characterized by a poor pupillary light reaction, reduced accommodation, iris sector palsies, an enhanced pupillary response to near effort that results in a prolonged, "tonic" constriction, and slow pupillary redilation. This condition is associated with injury to the postganglionic parasympathetic innervation to the pupil. (From Miller et al., Clinical Neuro-Ophthalmology, 4th ed, pp492-500)
  • Tonic Pupil, Local [M0337411]
  • Tonic Pupil, Neuropathic [M0337412]
  • Tracheitis [M0021747]
  • Tropical Myositis [M0490119]
  • Ulcer [M0022226]
    A lesion on the surface of the skin or a mucous surface, produced by the sloughing of inflammatory necrotic tissue.
  • Unconsciousness [M0022251]
    Loss of the ability to maintain awareness of self and environment combined with markedly reduced responsiveness to environmental stimuli. (From Adams et al., Principles of Neurology, 6th ed, pp344-5)
  • Uterine Hemorrhage [M0022428]
    Bleeding from blood vessels in the UTERUS, sometimes manifested as vaginal bleeding.
  • Uterine Perforation [M0022432]
    A hole or break through the wall of the UTERUS, usually made by the placement of an instrument or INTRAUTERINE DEVICES.
  • Uveitis, Posterior [M0024294]
    Inflammation of the choroid as well as the retina and vitreous body. Some form of visual disturbance is usually present. The most important characteristics of posterior uveitis are vitreous opacities, choroiditis, and chorioretinitis.
  • Vascular Capacitance [M0028293]
    The measure of a BLOOD VESSEL's ability to increase the volume of BLOOD it holds without a large increase in BLOOD PRESSURE. The vascular capacitance is equal to the change in volume divided by the change in pressure.
  • Vasculitis [M0022540]
    Inflammation of a blood vessel.
  • Vasoconstriction [M0022550]
    The physiological narrowing of BLOOD VESSELS by contraction of the VASCULAR SMOOTH MUSCLE.
  • Vasodilation [M0022556]
    The physiological widening of BLOOD VESSELS by relaxing the underlying VASCULAR SMOOTH MUSCLE.
  • Venous Pressure [M0022592]
    The blood pressure in the VEINS. It is usually measured to assess the filling PRESSURE to the HEART VENTRICLE.
  • Ventricular Fibrillation [M0022595]
  • Ventricular Pressure [M0026790]
    The pressure within a CARDIAC VENTRICLE. Ventricular pressure waveforms can be measured in the beating heart by catheterization or estimated using imaging techniques (e.g., DOPPLER ECHOCARDIOGRAPHY). The information is useful in evaluating the function of the MYOCARDIUM; CARDIAC VALVES; and PERICARDIUM, particularly with simultaneous measurement of other (e.g., aortic or atrial) pressures.
  • Vestibular Diseases [M0024253]
    Diseases of the vestibule, the part of the inner ear that contains organs involved with balance.
  • Vision, Low [M0023639]
    Vision considered to be inferior to normal vision as represented by accepted standards of acuity, field of vision, or motility. Low vision generally refers to visual disorders that are caused by diseases that cannot be corrected by refraction (e.g., MACULAR DEGENERATION; RETINITIS PIGMENTOSA; DIABETIC RETINOPATHY, etc.).
  • Vitreous Hemorrhage [M0022821]
    Hemorrhage into the VITREOUS BODY.
  • Wernicke Hemianopic Pupil [M0337238]
  • Wounds and Injuries [M0023019]
    Damage inflicted on the body as the direct or indirect result of an external force, with or without disruption of structural continuity.
  • Yang Deficiency [M0025453]
    In the YIN-YANG system of philosophy and medicine, a lack of vital energy (called yangxu in Chinese). It manifests itself in various systemic and organic diseases. (The Pinyin Chinese-English Dictionary, 1979)
  • Yin Deficiency [M0025452]
    In the YIN-YANG system of philosophy and medicine, an insufficiency of body fluid (called yinxu), manifesting often as irritability, thirst, constipation, etc. (The Pinyin Chinese-English Dictionary, 1979).