| 释义 |
pulsus alternans
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.al·ter·nat·ing pulsemechanical alternation; a pulse regular in time but with alternate beats stronger and weaker, often detectable only with the sphygmomanometer or other pressure measurement and usually indicating serious myocardial disease. Synonym(s): pulsus alternanspulsus alternans Cardiology A pulse occurring at regular intervals which there is rhythmic attenuation of the pulse pressure heights–eg, every other beat; sustained PA is associated with severely depressed left
ventricular function, accompanied by an altered blood flow in the aorta, left ventricular and systolic pressures, and often a 3rd ventricular sound Prognosis Pooral·ter·nat·ing pulse (awl'tĕr-nāt-ing pŭls) Mechanical alternation, a pulse regular in time but with alternate beats stronger and weaker, often detectable only with the sphygmomanometer and usually indicating serious myocardial disease.
Synonym(s): pulsus alternans. pulsus alternans Alternating strong and weak pulse beats. Pulsus alternans is a sign of failure of the left side of the heart (left ventricular failure).pul·sus al·ter·nans (pŭlsŭs awltĕr-nanz) Heartbeats that alternate between strong and weak.
Synonym(s): alternating pulse. |