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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

acute adrenal crisis
<endocrinology> An abrupt life-threatening state which is caused by insufficient production of cortisol by the adrenal gland. ... A typical finding in Addison's disease. Individuals who have been taking corticosteroids (glucocorticoids) for a prolonged period of time (weeks to months) are at risk for acute adrenal crisis if the medication is s …

acute adrenocortical insufficiency
Severe adrenocortical insufficiency when an intercurrent illness or trauma causes an increased demand for adrenocortical hormones in a patient with adrenal insufficiency due to disease or use of relatively large amounts of similar hormones as therapy; characterised by nausea, vomiting, hypotension, and frequently hyperthemia, hyponatraemia, hyperka …

acute African sleeping sickness
Synonym for Rhodesian trypanosomiasis ... A disease of humans caused by Trypanosoma brucei rhodesiense in eastern Africa from Ethiopia and Uganda south to Zimbabwe; it is clinically similar to Gambian trypanosomiasis but of shorter duration and more acute in form; patients suffer repeated episodes of pyrexia, become anaemic, and die commonly from ca …

acute alcoholism
A temporary deterioration in mental function, accompanied by muscular incoordination and paresis, induced by the rapid ingestion of alcoholic beverages. ... Synonym: intoxication. ... (05 Mar 2000) ...

acute angle
Any angle less than 90°. ... (05 Mar 2000) ...

acute angle closure glaucoma
<ophthalmology> An increase in pressure within the anterior chamber of the eye. There are two forms of glaucoma: acute angle closure and open angle glaucoma. ... (27 Sep 1997) ...

acute anterior poliomyelitis
Inflammation of the anterior cornua of the spinal cord; an acute infectious disease caused by the poliomyelitis virus and marked by fever, pains, and gastroenteric disturbances, followed by a flaccid paralysis of one or more muscular groups, and later by atrophy. ... Synonym: acute atrophic paralysis, myogenic paralysis. ... (05 Mar 2000) ...

acute aortic dissection
<cardiology> A condition in which a weakened portion of the thoracic aorta begins to tear along the longitudinal axis of the vessel. ... Symptoms include sudden, severe chest pain that may radiate to the back accompanied by nausea, sweating and difficulty breathing. A common risk factor for this event is atherosclerotic vascular disease and-or …

acute appendicitis
Acute inflammation of the appendix, usually due to bacterial infection, which may be precipitated by obstruction of the lumen by a fecalith; symptoms of periumbilical colicky pain and vomiting are followed by fever, leukocytosis, persistent pain, and signs of peritoneal inflammation in the right lower quadrant of the abdomen; perforation or abscess …

acute ascending paralysis
A paralysis of rapid course beginning in the legs and involving progressively the trunk, arms, and neck, ending sometimes in death in from one to three weeks. ... Synonym: ascending paralysis. ... (05 Mar 2000) ...

acute ataxia
Generalised ataxia of abrupt onset, most often caused by drug intoxications, poisonings, or vestibular neuronitis. ... (05 Mar 2000) ...

acute atrophic paralysis
Synonym for acute anterior poliomyelitis ... Inflammation of the anterior cornua of the spinal cord; an acute infectious disease caused by the poliomyelitis virus and marked by fever, pains, and gastroenteric disturbances, followed by a flaccid paralysis of one or more muscular groups, and later by atrophy. ... Synonym: acute atrophic paralysis, myog …

acute bacterial endocarditis
A type of bacterial endocarditis caused by pyogenic organisms such as haemolytic streptococci or staphylococci. ... (05 Mar 2000) ...

acute brachial radiculitis
Synonym for neuralgic amyotrophy ... A neurological disorder, of unknown cause, characterised by the sudden onset of severe pain, usually about the shoulder and often beginning at night, soon followed by weakness and wasting of various forequarter muscles, particularly shoulder girdle muscles; both sporadic and familial in occurrence with the former …

acute brain syndrome
<syndrome> A condition of severe confusion or rapid change in brain function. This often occurs as the result of a mental illness or physical illness. ... Symptoms include lethargy, agitation, confusion, disorientation and delirium. ... (27 Sep 1997) ...

acute bulbar poliomyelitis
Poliomyelitis virus infection affecting nerve cells in the medulla oblongata and producing paralysis of the lower motor cranial nerves. ... (05 Mar 2000) ...

acute catarrhal conjunctivitis
An obsolete term for conjunctivitis with marked hyperaemia and mucopurulent discharge, with a tendency toward spontaneous recovery. ... Synonym: mucopurulent conjunctivitis. ... (05 Mar 2000) ...

acute cellular rejection
Graft rejection which usually begins within 10 days after a graft has been transplanted into a genetically dissimilar host. Lesions at the site of the graft characteristically are infiltrated with large numbers of lymphocytes and macrophages which cause tissue damage. ... See: primary rejection. ... Synonym: acute rejection. ... (05 Mar 2000) ...

acute chalazion
Synonym for hordeolum internum ... An acute purulent infection of a meibomian (tarsal) gland. ... Synonym: acute chalazion, hordeolum meibomianum, meibomian sty. ... (05 Mar 2000) ...

acute chemical pneumonitis
<chest medicine> Inflammation of the lungs which occurs secondary to exposure to a chemical, organic dust, fungus or mould. Chronic exposure can lead to chronic lung changes evident on chest X-ray. ... Symptoms include cough, fever, shortness of breath and wheezing. ... See: bird-handler's disease. ... (27 Sep 1997) ...

acute cholecystitis
<radiology> 80-95% secondary to cystic duct obstruction by gallstone, 5-6th decade; 75% female ultrasound (sensitivity 85-95%; specificity 64-100%): gall bladder wall thickening (greater than3mm), halo sign = gall bladder wall lucency (in 70%), gall bladder hydrops = AP diameter more than 5cm, sonographic Murphy sign (85%), pericholecystic fl …

acute chorea
Synonym for Sydenham's chorea ... A postinfectious chorea appearing several months after a streptococcal infection with subsequent rheumatic fever. The chorea typically involves the distal limbs and is associated with hypotonia and emotional lability. Improvement occurs over weeks or months and exacerbations occur without associated infection recurr …

acute compression triad
The rising venous pressure, falling arterial pressure, and decreased heart sounds of pericardial tamponade. ... Synonym: Beck's triad. ... (05 Mar 2000) ...

acute confusional state
<psychiatry> A condition of severe confusion or rapid change in brain function. This often occurs as the result of a mental illness or physical illness. ... Symptoms include lethargy, agitation, confusion, disorientation and delirium. ... (27 Sep 1997) ...

acute contagious conjunctivitis
An obsolete term for an acute conjunctivitis marked by intense hyperaemia and profuse mucopurulent discharge. ... Synonym: acute epidemic conjunctivitis, pinkeye. ... (05 Mar 2000) ...

acute crescentic glomerulonephritis
Synonym for rapidly progressive glomerulonephritis ... <nephrology> A relatively uncommon (affecting 1 out of 10,000 people) form of acute glomerulonephritis that results in damage within the glomerulus of the kidney. There is rapid loss of kidney function with the formation of crescents on microscopic analysis (kidney biopsy). This disorder m …

acute cutaneous leishmaniasis
Synonym for zoonotic cutaneous leishmaniasis ... A form of cutaneous leishmaniasis characterised by rural distribution of human cases near infected rodents, particularly communal ground squirrels; characterised by acute rapidly developing dermal lesions that become severely inflamed, with moist necrotizing sores or ulcers that heal in two to eight m …

acute decubitus ulcer
A severe form of bedsore, of neutrophic origin, occurring in hemiplegia or paraplegia. ... (05 Mar 2000) ...

acute delirium
Delirium of recent, rapid onset. ... (05 Mar 2000) ...

acute demyelinating polyneuropathy
<neurology> A neurologic condition. ... Synonym: Guillain-Barre syndrome. ... Origin: Gr. Pathos = disease ... (27 Sep 1997) ...

acute disease
Disease having a short and relatively severe course. ... (12 Dec 1998) ...

acute disseminated myositis
Synonym for multiple myositis ... The occurrence of multiple foci of acute inflammation in the muscular tissue and overlying skin in various parts of the body, accompanied by fever and other signs of systemic infection. ... See: dermatomyositis. ... Synonym: acute disseminated myositis, pseudotrichinosis, pseudotrichiniasis. ... (05 Mar 2000) ...

acute epidemic conjunctivitis
Synonym for acute contagious conjunctivitis ... An obsolete term for an acute conjunctivitis marked by intense hyperaemia and profuse mucopurulent discharge. ... Synonym: acute epidemic conjunctivitis, pinkeye. ... (05 Mar 2000) ...

acute epidemic leukoencephalitis
A disease characterised by acute onset of fever, followed by convulsions, delirium, and coma, and associated with perivascular demyelination and haemorrhagic foci in the central nervous system. ... Synonym: acute primary haemorrhagic meningoencephalitis, Strumpell's disease. ... (05 Mar 2000) ...

acute extrinsic allergic alveolitis
<radiology> No chest X-ray findings in 30-95%, diffuse acinar consolidative pattern (oedema and exudative filling of alveoli), basilar distribution, lymph node enlargement (unusual, more common with recurrence) see: extrinsic allergic alveolitis ... (12 Dec 1998) ...

acute febrile illness
An illness of sudden onset that manifests with fever. ... (27 Sep 1997) ...

acute fibrinous pericarditis
The usual lesion of acute pericarditis in which inflammation produces large quantities of fibrin. ... (05 Mar 2000) ...

acute follicular conjunctivitis
An obsolete term for acute viral conjunctivitis. ... (05 Mar 2000) ...

acute fulminating meningococcaemia
Rapidly moving systemic infection with Neisseria meningitidis, usually without meningitis, characterised by rash, usually petechial or purpuric, high fever, and hypotension. May lead to death within hours. ... (05 Mar 2000) ...

acute glaucoma
<ophthalmology> A sudden blockage of the normal fluid circulation within the eyeball resulting in increased intraocular pressure. Increased pressure within the eyeball can cause damage to the optic nerve and blindness. ... Symptom include severe eye or facial pain, nausea, vomiting, decreased vision, blurred vision and seeing halos around obje …

acute glomerulonephritis
<nephrology> A disease of the kidneys that results in inflammation of the glomerulus (the portion of the kidney that filters the blood). ... Conditions which may cause glomerulonephritis include post-streptococcal disease (strep throat), lupus, syphilis, bacterial endocarditis, membranoproliferative glomerulonephritis, sepsis, vasculitis, Good …

acute goiter
A goiter that develops very rapidly. ... (05 Mar 2000) ...

acute granulocytic leukaemia
<haematology> A form of leukaemia which is characterised by the proliferation of immature white blood cells (granulocytes) in the bloodstream. Occurs primarily in adults and in infants under 1 year of age. Complications include abnormal bleeding and susceptibility to infections. ... Symptoms include fatigue, weight loss, fevers, weakness, pall …

acute haemorrhagic conjunctivitis
Specific acute endemic conjunctivitis with eyelid swelling, tearing, conjunctival haemorrhages, and follicles; usually caused by Enterovirus type 70. ... (05 Mar 2000) ...

acute haemorrhagic encephalitis
Encephalitis of apoplectoid character due to blood extravasation. ... Synonym: encephalitis haemorrhagica. ... (05 Mar 2000) ...

acute idiopathic polyneuritis
<neurology, syndrome> Acute infective polyneuritis that results in a form of peripheral neuropathy with temporary loss of movement and sensation due to inflammation of multiple nerves and loss of myelin. ... The exact cause is unknown but has been associated with an abnormal immune response to viral infection, particularly cytomegalovirus infe …

acute illness
A disease with an abrupt onset and usually a short course. ... (12 Dec 1998) ...

acute inclusion body encephalitis
Synonym for herpes simplex encephalitis ... The most common acute encephalitis, caused by HSV-1; affects persons of any age; preferentially involves the inferomedial portions of the temporal lobe and the orbital portions of the frontal lobes; pathologically, severe haemorrhagic necrosis is present along with, in the acute stages, intranuclear eosino …

acute inflammation
Any inflammation that has a fairly rapid onset, quickly becomes severe, usually manifested for only a few days, but may persist for several days or even a few weeks. ... Synonym: active inflammation. ... (05 Mar 2000) ...

acute inflammatory polyneuropathy
Synonym for acute idiopathic polyneuritis ... <neurology, syndrome> Acute infective polyneuritis that results in a form of peripheral neuropathy with temporary loss of movement and sensation due to inflammation of multiple nerves and loss of myelin. ... The exact cause is unknown but has been associated with an abnormal immune response to viral …

acute intermittent porphyria
<gastroenterology, haematology> A group of rare inherited metabolic disorders that result from a disturbance in porphyrin metabolism, causing increased formation and excretion of porphyrin or its precursors. ... It is caused by hepatic overproduction of d-aminolevulinic acid, which has greatly increased urinary excretion and of porphobilinogen …

acute interstitial nephritis
<nephrology> A relatively uncommon condition which is characterised by inflammation of the renal tubules, glomeruli and surrounding tissue. Interstitial nephritis is usually be temporary and often associated with the use of a particular medication. Chronic and progressive forms do exist. ... Drugs that have been associated with interstitial ne …

acute interstitial pneumonia
A severe and usually fatal form of pneumonia occurring primarily in infants usually considered a form of hypersensitivity pneumonitis. ... (05 Mar 2000) ...

acute interstitial pneumonitis
Usually considered a form of hypersensitivity pneumonitis. ... (05 Mar 2000) ...

acute kidney failure
<nephrology> A sudden decline in renal function may be triggered by a number of acute disease processes. ... Examples include sepsis (infection), shock, trauma, kidney stones, kidney infection, drug toxicity (aspirin or lithium), poisons or toxins (drug abuse) or after injection with an iodinated contrast dye (adverse effect). ... Chronic renal …

acute kidney transplant rejection
<radiology> Findings on ultrasound: globular enlargment of the kidney, swelling and hypoechogenicity of the medullary pyramids, indistinct cortico-medullary junction, foci in the renal cortex ... (12 Dec 1998) ...

acute leukaemia
<haematology> A rapidly progressive cancer of the blood of sudden onset and characterised by the uncontrolled proliferation of immature blood cells which take over the bone marrow and spill into the blood stream. If left untreated is fatal within a few weeks or months. ... See: acute lymphoblastic leukaemia, acute myeloid leukaemia. ... Origin: …

acute lobar nephrosis
A severe but localised bacterial infection of the renal parenchyma that may produce a mass effect simulating a renal abscess. ... (05 Mar 2000) ...

acute lower GI haemorrhage
<gastroenterology> Typical presentation: Sudden onset of brisk rectal bleeding without blood in gastric aspirate Diagnostic considerations: diverticulosis, angiodysplasia, ischemic colitis, inflammatory bowel disease (rarely), polyps are usually present, carcinoma causing a chronic bleed, haemorrhoids. ... (12 Dec 1998) ...

acute lymphoblastic leukaemia
<haematology> A rapidly progressing cancer of the blood affecting the type of white blood cell known as lymphocytes. Approximately 650 new cases are diagnosed every year in the UK and it is the most common form of childhood leukaemia. ... Acronym: ALL ... Origin: Gr. Haima = blood ... (11 Nov 1997) ...

acute lymphocytic leukaemia
<radiology> 95% of cases of leukaemia in children, bone changes in 50-70% of kids (vs. 10% in adults); seen as early as 1 month after onset of symptoms, wrists and knees most commonly affected, bony defects: metaphyseal radiolucent bands! (similar findings in scurvy, JRA, syphilis), osteolytic lesions, periosteal reaction, osteosclerosis ... ( …

acute malaria
A form of malaria that may be intermittent or remittent, consisting of a chill accompanied and followed by fever with its attendant general symptoms, and terminating in a sweating stage; the paroxysms, caused by release of merozoites from infected cells, recur every 48 hours in tertian (vivax or ovale) malaria, every 72 hours in quartan (malariae) …

acute mania
Synonym for manic excitement ... An excited mental state seen in a bipolar (manic-depressive) disorder characterised by hyperactivity, talkativeness, flight of ideas, pressured speech, grandiosity, and, occasionally, grandiose delusions. ... See: mania, manic-depressive. ... Synonym: acute mania. ... (05 Mar 2000) ...

acute miliary tuberculosis
Synonym for acute tuberculosis ... A rapidly fatal disease due to the general dissemination of tubercle bacilli in the blood, resulting in the formation of miliary tubercles in various organs and tissues, and producing symptoms of profound toxaemia. ... Synonym: acute miliary tuberculosis, disseminated tuberculosis. ... (05 Mar 2000) ...

acute monocytic leukaemia
<haematology> The most common translocation in this disorder of poorly differentiated monocytic cells involves chromosome region 11q in a large percentage of cases. ... The translocation involves a cellular oncogene, c-ets which is mapped to the 11q23-24 region. The most common translocations reported are t(6;11), t(9;11), t(11;17) and t(11;19 …

acute mountain sickness
<chest medicine> A condition that results from prolonged exposure to high altitude. ... Symptoms include a continuous dry cough, shortness of breath, poor exercise tolerance, dizziness, headache, sleep difficulty, anorexia, confusion, fatigue and a rapid pulse. ... Treatment includes the immediate movement to a lower altitude. Prophylaxis has b …

acute myeloblastic leukaemia
Synonym for acute myeloid leukaemia ... <haematology> A rapidly progressing cancer of the blood affecting immature cells of the bone marrow, usually of the white cell population. It is much more common in adults than in children. ... Symptoms include fatigue, weight loss, fevers, weakness, pallor, bone pains, bleeding gums, nosebleeds, easy bru …

acute myelogenous leukaemia
Synonym for acute myeloid leukaemia ... <haematology> A rapidly progressing cancer of the blood affecting immature cells of the bone marrow, usually of the white cell population. It is much more common in adults than in children. ... Symptoms include fatigue, weight loss, fevers, weakness, pallor, bone pains, bleeding gums, nosebleeds, easy bru …

acute myeloid leukaemia
<haematology> A rapidly progressing cancer of the blood affecting immature cells of the bone marrow, usually of the white cell population. It is much more common in adults than in children. ... Symptoms include fatigue, weight loss, fevers, weakness, pallor, bone pains, bleeding gums, nosebleeds, easy bruising, enlarged lymph nodes and joint p …

acute necrotizing encephalitis
An acute form of encephalitis, characterised by destruction of brain parenchyme. ... (05 Mar 2000) ...

acute necrotizing myelitis
A spinal cord disorder, probably a demyelinating disease, which affects persons of all ages and either sex. Presents with abrupt or more gradual onset with sensory abnormalities and upper motor neuron weakness; soon a reflexic flaccid motor paralysis and sphincter paralysis supervenes, which is permanent. In some, but not all cases, bilateral or un …

acute nephritic syndrome
<nephrology, syndrome> A disease of the kidneys that results in inflammation of the glomerulus (the portion of the kidney that filters the blood). ... Conditions which may cause glomerulonephritis include post-streptococcal disease (strep throat), lupus, syphilis, bacterial endocarditis, membranoproliferative glomerulonephritis, sepsis, vascul …

acute nephritis
Synonym for acute glomerulonephritis ... <nephrology> A disease of the kidneys that results in inflammation of the glomerulus (the portion of the kidney that filters the blood). ... Conditions which may cause glomerulonephritis include post-streptococcal disease (strep throat), lupus, syphilis, bacterial endocarditis, membranoproliferative glom …

acute nephrosis
Acute oliguric renal failure, especially that caused by certain poisons. ... (05 Mar 2000) ...

acute non-lymphocytic leukaemia
<haematology> A form of leukaemia which is characterised by the proliferation of immature bone marrow precursor cells in the marrow and immature white blood cells (granulocytes) in the bloodstream. Occurs primarily in adults and in infants under 1 year of age. Complications include abnormal bleeding and susceptibility to infections. ... Sympto …

acute organic brain syndrome
Synonym for organic brain syndrome ... <syndrome> A constellation of behavioural or psychological signs and symptoms including problems with attention, concentration, memory, confusion, anxiety, and depression caused by transient or permanent dysfunction of the brain. ... Synonym: acute organic brain syndrome, OBS, organic mental syndrome. ... ( …

acute pancreatitis
<radiology> Findings: elevated hemidiaphragm, atelectasis / consolidation, pulmonary oedema (direct toxic effect? cardiosuppression?), pleural effusion (more common on left), sentinel loops, colon cut-off sign, antral pad, duodenum: widened loop, thickened folds, inverted 3 (Frostberg sign) ... (12 Dec 1998) ...

acute parenchymatous hepatitis
Synonym for acute yellow atrophy of the liver ... A lesion in which there is extensive and rapid death of parenchymal cells of the liver, sometimes with fatty degeneration of the size of the organ; the necrosis may result from fulminant viral infection or chemical poisoning; associated with jaundice. ... Synonym: acute parenchymatous hepatitis, Rokit …

acute porphyria
<gastroenterology, haematology> A group of metabolic disorders that result from a disturbance in porphyrin metabolism, causing increased formation and excretion of porphyrin or its precursors. ... Acute intermittent porphyria is a rare inherited (autosomal dominant) form that can result in abdominal pain, photosensitivity and neurological dist …

acute promyelocytic leukaemia
Leukaemia presenting as a severe bleeding disorder, with infiltration of the bone marrow by abnormal promyelocytes and myelocytes, a low plasma fibrinogen, and defective coagulation. ... (05 Mar 2000) ...

acute pulmonary alveolitis
Acute inflammation involving exudate into the pulmonary alveoli and impaired gas exchange; may result in necrosis with haemorrhage into the lungs; occurs in Goodpasture's syndrome, in association with a glomerulonephritis. ... (05 Mar 2000) ...

acute pulmonary eosinophilia
<chest medicine> A self-limiting inflammation in the lungs where there is associated infiltration of eosinophils into lung tissue. Chest X-ray reveals pulmonary infiltrates and full blood count shows increased numbers of eosinophils. ... The cause is unknown and the disease often resolves without treatment. Some forms may be treated with oral …

acute pyelonephritis
Acute inflammation of the renal parenchyma and pelvis characterised by small cortical abscesses and yellowish streaks in the medulla due to pus in the collecting tubules and interstitial tissue. ... (05 Mar 2000) ...

acute radiation syndrome
<syndrome> A syndrome caused by exposure of the body to large amounts of radiation, (e.g., from certain forms of therapy, accidents, and nuclear explosions; it is divided into three major forms which are, in ascending order of severity, the haematogic, gastrointestinal, and central nervous system-cardiovascular forms; its clinical manifestati …

acute reflex bone atrophy
Synonym for Sudeck's atrophy ... Atrophy of bones, commonly of the carpal or tarsal bones, following a slight injury such as a sprain. ... See: causalgia, reflex sympathetic dystrophy. ... Synonym: acute reflex bone atrophy, posttraumatic osteoporosis, Sudeck's syndrome. ... Origin: L. English sweat ... (05 Mar 2000) ...

acute rejection
Synonym for acute cellular rejection ... Graft rejection which usually begins within 10 days after a graft has been transplanted into a genetically dissimilar host. Lesions at the site of the graft characteristically are infiltrated with large numbers of lymphocytes and macrophages which cause tissue damage. ... See: primary rejection. ... Synonym: ac …

acute renal failure
<nephrology> A sudden decline in renal function may be triggered by a number of acute disease processes. ... Examples include sepsis (infection), shock, trauma, kidney stones, kidney infection, drug toxicity (aspirin or lithium), poisons or toxins (drug abuse) or after injection with an iodinated contrast dye (adverse effect). ... Chronic renal …

acute respiratory failure
Loss of pulmonary function either acute or chronic that results in hypoxaemia or hypercarbia. ... (05 Mar 2000) ...

acute rheumatic arthritis
Arthritis due to rheumatic fever. ... (05 Mar 2000) ...

acute rhinitis
An acute catarrhal inflammation of the mucous membrane of the nose, marked by sneezing, lacrimation, and a profuse secretion of watery mucus; usually associated with infection by one of the common cold viruses. ... Synonym: cold in the head, coryza. ... (05 Mar 2000) ...

acute rickets
Synonym for haemorrhagic rickets ... Bone changes seen in infantile scurvy, consisting of subperiosteal haemorrhage and deficient osteoid tissue formation; often used to indicate simultaneous occurrence of rickets and scurvy. ... Synonym: acute rickets. ... Hereditary hypophosphatemic rickets, with hypercalciuria, an inherited disorder in which there …

acute schizophrenia
A disorder in which the symptoms of schizophrenia occur abruptly; they may subside or become chronic over time. ... Synonym: acute schizophrenic episode. ... (05 Mar 2000) ...

acute schizophrenic episode
Synonym for acute schizophrenia ... A disorder in which the symptoms of schizophrenia occur abruptly; they may subside or become chronic over time. ... Synonym: acute schizophrenic episode. ... (05 Mar 2000) ...

acute situational reaction
Synonym for stress reaction ... An acute emotional reaction related to extreme environmental stress. ... Synonym: acute situational reaction. ... (05 Mar 2000) ...

acute spinal cord compression
<radiology> Signs and symptoms of cord compression show progression within 24 hours or less: pain, weakness, autonomic dysfunction, sensory loss, ataxia Diagnostic considerations: Primary or secondary malignancy of epidural space or vertebrae, Trauma, Inflammatory process, Osteoarthritis REF: MacNeil BJ, Abrams HL. Brigham and Women's Hospita …

acute splenic tumour
Acute splenitis, enlargement, and softening of the spleen, usually due to bacteraemia or severe bacterial toxaemia. ... (05 Mar 2000) ...

acute stress reaction
Synonym for anxiety reaction ... A sudden bout of anxiety that is often accompanied by the features of hyperventilation (tingling around mouth and in fingertips, rapid breathing, faintness or fainting). ... (27 Sep 1997) ...

acute testicular pain
<radiology> Diagnostic considerations: Testicular torsion, Torsion of testicular appendix, Epididymo-orchitis, Scrotal abscess ... (12 Dec 1998) ...

acute toxicity
<pharmacology> Illness resulting from a single dose or exposure to a toxic substance. ... Compare: chronic toxicity. ... (06 May 1997) ...

acute transverse myelitis
Acute inflammation and softening of the spinal cord; involves the entire thickness of the spinal cord but of limited longitudinal extent; multiple aetiologies. ... (05 Mar 2000) ...