Collapsing pulse

Collapsing pulse
Other namesCorrigan's pulse
Differential diagnosisaortic regurgitation

Watson's water hammer pulse, also known as Corrigan's pulse or collapsing pulse, is the medical sign (seen in aortic regurgitation) which describes a pulse that is bounding and forceful, rapidly increasing and subsequently collapsing, as if it were the sound of a water hammer that was causing the pulse.