| EC | effective concentration; ejection click; electrochemical; electron capture; embryonal carcinoma; eme... |
|---|
| endemic paralytic vertigo | A paroxysmal attack of severe vertigo, not accompanied by deafness or tinnitus, which affects young to middle-aged adults, often following a non-specific upper respiratory infection; due to unilateral vestibular dysfunction. Synonym: endemic paralytic vertigo, epidemic vertigo, Gerlier's disease, kubisagari, kubisagaru, paralyzing vertigo. (05 Mar 2000) |
|---|---|
| endemic stability | A situation in which all factors influencing disease occurrence are relatively stable, resulting in little fluctuation in disease incidence over time; changes in one or more of these factors (e.g., reduction in proportion of individuals with immunity from exposure to infectious agent) can lead to an unstable situation in which major disease outbreaks occur. Synonym: enzootic stability. (05 Mar 2000) |
| endemic syphilis | Syphilis caused by organisms closely related to Treponema pallidum; spread by personal, but not necessarily venereal, contact; usually acquired in childhood, most common in areas of provery and overcrowding; rare in the United States; includes yaws, pinta and bejel. Synonym: endemic syphilis. (05 Mar 2000) |
| endemic typhus | Murine typhus, an acute infectious disease with fever, headache, and rash, all quite similar to, but milder than, epidemic typhus, caused by a related microoganism, Rickettsia typhi (mooseri), transmitted to humans by rat fleas (Xenopsylla cheopis). The animal reservoir includes rats, mice and other rodents. Murine typhus occurs sporadically worldwide but is more prevalent in congested rat-infested urban areas. Also known as rat-flea typhus or urban typhus of Malaya. (12 Dec 1998) |
| typhus, endemic | See Typhus, murine. (12 Dec 1998) |
| typhus, endemic flea-borne | An infectious disease clinically similar to epidemic louse-borne typhus (typhus, epidemic louse-borne), but caused by rickettsia typhi, which is transmitted from rat to man by the rat flea, xenopsylla cheopis. (12 Dec 1998) |
| appendicular colic | Colicky pain occurring early in acute appendicitis. Synonym: vermicular colic. (05 Mar 2000) |
| biliary colic | Intense spasmodic pain felt in the right upper quadrant of the abdomen from impaction of a gallstone in the cystic duct. Synonym: gallstone colic, hepatic colic. (05 Mar 2000) |
| gallstone colic | Intense spasmodic pain felt in the right upper quadrant of the abdomen from impaction of a gallstone in the cystic duct. Synonym: gallstone colic, hepatic colic. (05 Mar 2000) |
| painter's colic | Severe colicky abdominal pain, with constipation, symptomatic of lead poisoning. Synonym: Devonshire colic, painter's colic, Poitou colic, saturnine colic. (05 Mar 2000) |
| pancreatic colic | Severe colicky abdominal pain, resembling that of biliary colic, caused by the passage of a pancreatic calculus. (05 Mar 2000) |
| gastric colic | Colicky pain associated with gastritis or peptic ulcer. (05 Mar 2000) |
| vermicular colic | Colicky pain occurring early in acute appendicitis. Synonym: vermicular colic. (05 Mar 2000) |
| meconial colic | Abdominal pain of newborn infants. (05 Mar 2000) |
| renal colic | Severe colicky pain caused by the impaction or passage of a calculus in the ureter or renal pelvis. (05 Mar 2000) |