| pulsus myurus | A pulse marked by a wave, the apex of which is reached suddenly and which then subsides very gradually. Synonym: mousetail pulse. (05 Mar 2000) |
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| pulsus paradoxus | An exaggeration of the normal variation in the 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: pulsus paradoxus, pulsus respiratione intermittens. (05 Mar 2000) |
| pulsus parvus | A pulse of small amplitude, as in aortic stenosis. (05 Mar 2000) |
| pulsus parvus et tardus | Small, late pulse considered typical of severe aortic stenosis. (05 Mar 2000) |
| pulsus quadrigeminus | A pulse in which the beats are grouped in fours, a pause following every fourth beat. Synonym: pulsus quadrigeminus. (05 Mar 2000) |
| pulsus rarus | A pulse with pathologically gradual upstroke typical of severe aortic stenosis. See: plateau pulse. Synonym: pulsus rarus. (05 Mar 2000) |
| pulsus respiratione intermittens | An exaggeration of the normal variation in the 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: pulsus paradoxus, pulsus respiratione intermittens. (05 Mar 2000) |
| pulsus tardus | A pulse with pathologically gradual upstroke typical of severe aortic stenosis. See: plateau pulse. Synonym: pulsus rarus. (05 Mar 2000) |
| pulsus tremulus | A feeble fluttering pulse. (05 Mar 2000) |
| pulsus trigeminus | A pulse in which the beats occur in trios, a pause following every third beat. Synonym: pulsus trigeminus. (05 Mar 2000) |
| pulsus vacuus | A very weak pulse hardly distending the arterial wall. (05 Mar 2000) |
| pulsus venosus | A pulsation occurring in the veins, especially the internal jugular vein. Synonym: pulsus venosus. (05 Mar 2000) |
| accretio cordis | Adhesion of the pericardium to adjacent extracardiac structures. (05 Mar 2000) |
| annulus fibrosus cordis | One of four fibrous rings that surround atrioventricular and arterial orifices of the heart, providing attachment for the valve leaflets and maintaining patency of the orifice. As part of the fibrous skeleton of the heart, the fibrous rings also provide origin and insertion for the myocardium. Synonym: annulus fibrosus cordis, annulus fibrosus, coronary tendon, fibrous ring, Lower's ring. (05 Mar 2000) |
| apex cordis | The blunt extremity of the heart formed by the left ventricle. See: apex beat. Synonym: apex cordis, vertex cordis. (05 Mar 2000) |