Pulse amplitude changes were sometimes abrupt. Pulsus alternans occasionally developed as pulse amplitude increased. Pulse rate varied little, 75–78 beats/s. The patient expired a year after the ...

Feeling a regular pulse with alternating strength (pulsus alternans) is an important sign of heart failure from any cause. Feeling unequal carotid pulses suggests carotid stenosis. (In this case ...

An irregularly irregular rate suggests atrial fibrillation. Pulsus alternans, in which every other beat feels weak, suggests severe myocardial failure. Unequal carotid pulses suggest stenosis ...