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pulsus paradoxus
pulsus [pul´sus] (L.) pulse.pulsus alter´nans alternating pulse.pulsus bige´minus bigeminal pulse.pulsus bisfe´riens a pulse characterized by two strong systolic peaks separated by a midsystolic dip, most commonly occurring in pure regurgitation" >aortic regurgitation with stenosis.pulsus ce´ler quick pulse.pulsus dif´ferens inequality of the pulse observable at corresponding sites on either side of the body.pulsus paradox´us paradoxical pulse.pulsus par´vus et tar´dus a small hard pulse that rises and falls slowly.pulsus tar´dus slow pulse.par·a·dox·ic pulsean exaggeration of the normal variation in the systemic arterial pulse volume with respiration, becoming weaker with inspiration and stronger with expiration; characteristic of cardiac tamponade, rare in constrictive pericarditis; so called because these changes are independent of changes in the cardiac rate as measured directly or by electrocardiogram. Synonym(s): pulsus paradoxus, pulsus respiratione intermittenspulsus paradoxus Cardiology A marked ↓ in pulse amplitude during normal quiet inspiration or a ↓ in the systolic pressure by > 10 mm Hg, a typical finding in cardiac tamponade, less common in constrictive pericarditis–quantifiable by a sphygmomanometer, superior vena cava obstruction, asthma, PE, shock, or after thoracotomypar·a·dox·ic pulse (par'ă-doks'ik pŭls) A reversal of the normal variation in the pulse volume with respiration, the pulse becoming weaker with inspiration and stronger with expiration; characteristic of cardiac tamponade and rare in constrictive pericarditis. So called because these changes are independent of changes in the cardiac rate as measured directly or by electrocardiogram.
Synonym(s): pulsus paradoxus. |