| jugular pulse | The venous pulse as observed in the jugular veins of the neck, usually the deep jugular veins. (05 Mar 2000) |
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| undulating pulse | A toneless pulse in which there is a succession of waves without character or force. Synonym: pulsus fluens. (05 Mar 2000) |
| unequal pulse | Differing strength of pulse in the same artery between the right and left of the circulation. (05 Mar 2000) |
| Kussmaul's paradoxical pulse | 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) |
| Kussmaul's pulse | Reduction or disappearance of the pulse during inspiration. (05 Mar 2000) |
| filiform pulse | A thready pulse. (05 Mar 2000) |
| fixed rate pulse generator | A generator in which the rate of discharge is independent of the natural activity of the heart. Synonym: fixed rate pulse generator. (05 Mar 2000) |
| labile pulse | Frequent changes in pulse rate. (05 Mar 2000) |