aortic notch [Gk, aeirein, to raise; OFr, enochier] , the indentation on the descending limb of an arterial pulse sphygmogram. It marks the closure of the aortic valve. Also called dicrotic notch.
aortic notch
aortic notch [Gk, aeirein, to raise; OFr, enochier] , the indentation on the descending limb of an arterial pulse sphygmogram. It marks the closure of the aortic valve. Also called dicrotic notch.