Cardiac stroke volume the amount of blood ejected with each systole. cardiac thrill see thrill. cardiac valve fenestration the valve surface is incomplete, creating a lattice effect; mostly congenital defects in foals. Called also Purkinje fibers. cardiac conducting system the cardiac tissue responsible for electrical conduction, made up of the sinoatrial node, the atrioventricular node, and the atrioventricular bundle and cardiac conducting fibers. Cardiac depressor nerve a branch of the vagus nerve composed of afferent nerve fibers which arise around the base of the heart; called also aortic nerve. cardiac dilatation the heart volume is increased but the effective mass of cardiac muscle is not.
Articles Protocol Books Consultations About FAQ Contact More. HOME MEDICINE Magnesium Published on December 8, 2009, Last modified on December 10, 2016.