hypovolemic shock

shock resulting from insufficient blood volume for the maintenance of adequate cardiac output, blood pressure, and tissue perfusion. Without modification the term refers to absolute hypovolemic shock caused by acute hemorrhage or excessive fluid loss. Relative hypovolemic shock refers to a situation in which the blood volume is normal but insufficient because of widespread vasodilation as in neurogenic shock or septic shock. Clinical characteristics include hypotension; hyperventilation; cold, clammy, cyanotic skin; a weak and rapid pulse; oliguria; and mental confusion, combativeness, or anxiety. Called also hematogenic or oligemic s.

Medical dictionary. 2011.

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  • hypovolemic shock — noun shock caused by severe blood or fluid loss • Hypernyms: ↑shock * * * /huy poh veuh lee mik, huy / a type of shock caused by reduced blood volume, as from massive bleeding or dehydration. Cf. cardiogenic shock, anaphylactic shock. [1960 65;… …   Useful english dictionary

  • hypovolemic shock — /huy poh veuh lee mik, huy / a type of shock caused by reduced blood volume, as from massive bleeding or dehydration. Cf. cardiogenic shock, anaphylactic shock. [1960 65; HYPO + VOL(UME) + EM(IA) + IC] * * * …   Universalium

  • 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

  • hypovolemic — adjective Of, pertaining to, or characterized by low volume of blood in the circulatory system; as hypovolemic shock …   Wiktionary

  • Shock, hypovolemic — Shock due to a decrease in blood volume. This is the #1 cause of shock. It can be due to loss of blood from bleeding, loss of blood plasma through severe burns, and dehydration. The treatment, first and foremost, is prompt intravenous… …   Medical dictionary

  • septic shock — n a life threatening severe form of sepsis that usu. results from the presence of bacteria and their toxins in the bloodstream and is characterized esp. by persistent hypotension with reduced blood flow to organs and tissues and often organ… …   Medical dictionary

  • Non-pneumatic anti-shock garment — The Non Pneumatic Anti Shock Garment (NASG) is a low technology first aid device used to treat hypovolemic shock. It s efficacy for reducing maternal deaths due to obstetrical hemorrhage is being researched. Obstetrical hemorrhage is heavy… …   Wikipedia

  • cardiogenic shock — noun shock caused by cardiac arrest • Hypernyms: ↑shock * * * a type of shock caused by decreased cardiac output despite adequate blood volume, owing to a disease of the heart itself, as myocardial infarction, or any other factor that interferes… …   Useful english dictionary

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