It is caused by pulsation of subpapillary arteriolar and venous plexuses and is sometimes seen in aortic insufficiency, although it may occur in normal persons under certain conditions. Called also capillary pulse (because it was formerly thought to be due to pulsations in the capillaries) and Quincke's sign.

What causes a Hypokinetic pulse?

Hyperkinetic pulses can also occur where there is a rapid peripheral runoff of blood in addition to a large stroke volume from the left ventricle. Patent ductus arteriosus with normal pulmonary pressures, large arterial venous fistulas, and severe aortic regurgitation can cause these hyperkinetic pulses.

What causes the carotid pulse?

The carotid arteries take oxygenated blood from the heart to the brain. The pulse from the carotids may be felt on either side of the front of the neck just below the angle of the jaw. This rhythmic "beat" is caused by varying volumes of blood being pushed out of the heart toward the extremities.