<unk>  is the medical sign which describes a pulse that is bounding and forceful, as if it were the hitting of a<unk><unk>  that was causing the pulse.  This is associated with increased stroke volume of the left ventricle and decrease in the peripheral resistance leading to the widened pulse pressure of aortic regurgitation.  Also, the carotid pulsations seen in aortic regurgitation is known as Corrigan's pulse.
Watson's water hammer pulse
Collapsing pulse
Pulsus alternans
Pulsus parvus et tardus
Epsilon wave
Cannon a waves
Hill sign
Wide pulse pressure