Shock, anaphylactic
A life-threatening allergic reaction characterized by a swelling of body tissues including the throat, difficulty in breathing, and a sudden fall in blood pressure.

Medical dictionary. 2011.

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  • anaphylactic shock — n. (Med.) a severe form of physiological shock, often having a fatal outcome, caused by an extreme immunological reaction to antigens. It is a severe form of {anaphylaxis[2]}, and is characterized by smooth muscle contraction and capillary… …   The Collaborative International Dictionary of English

  • anaphylactic shock — n an often severe and sometimes fatal systemic reaction in a susceptible individual upon a second exposure to a specific antigen (as wasp venom or penicillin) after previous sensitization that is characterized esp. by respiratory symptoms,… …   Medical dictionary

  • anaphylactic — (adj.) 1905, with IC (Cf. ic) + medical Latin noun anaphylaxis exaggerated susceptibility, from Fr. anaphylaxie (1902), from Gk. ana (see ANA (Cf. ana )) + phylaxis watching, guarding (Cf. PROPHYLACTIC (Cf. prophylactic)). Ana …   Etymology dictionary

  • Shock (circulatory) — Acute shock redirects here. For the psychological condition, see Acute stress reaction. Shock ICD 10 many incl. R57 ICD 9 785 DiseasesDB …   Wikipedia

  • Shock — In medicine, shock is a critical condition brought on by a sudden drop in blood flow through the body. There is failure of the circulatory system to maintain adequate blood flow. This sharply curtails the delivery of oxygen and nutrients to vital …   Medical dictionary

  • shock — shock1 shockable, adj. shockability, n. shockedness, n. shocklike, adj. /shok/, n. 1. a sudden and violent blow or impact; collision. 2. a sudden or violent disturbance or commotion: the shock of battle. 3. a sudden or violent disturbance of the… …   Universalium

  • anaphylactic shock — noun a severe and rapid and sometimes fatal hypersensitivity reaction to a substance (especially a vaccine or penicillin or shellfish or insect venom) to which the organism has become sensitized by previous exposure • Hypernyms: ↑anaphylaxis * *… …   Useful english dictionary

  • shock — {{Roman}}I.{{/Roman}} noun 1 extreme surprise ADJECTIVE ▪ awful (esp. BrE), big, considerable (esp. BrE), dreadful (esp. BrE), great, huge, major, massive, nasty …   Collocations dictionary

  • shock — Synonyms and related words: AC arc, Poulsen arc, abscess, accident, ache, aching, agitate, ague, amplify, anaphylactic shock, anemia, ankylosis, anoxia, aperiodic discharge, apnea, appall, appulse, arc, arc column, arc discharge, asphyxiation,… …   Moby Thesaurus

  • anaphylactic shock — anaphylaxis anaphylaxis n. 1. [Gr. ana back, way from + fy laxis security, protection.] 1. (Med.) hypersensitivity (to a protein or drug) resulting from prior contact with a substance. [WordNet 1.5] 2. (Med.) an immediate but transient allergic… …   The Collaborative International Dictionary of English

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