the pressure that must be exceeded before ejection of blood from the ventricles can occur
indicative of arterial blood pressure; estimated on the difference of pressure exerted by the fingers to occlude and then reopen the arterial pulse.
an abnormal rate of muscle contractions in the heart
The ability of the heart to generate and conduct electrical impulses on its own.
abnormal sound; blowing, swishing, or murmuring sound caused by turbulent blood flow; heard during auscultation
period when the heart relaxes and the ventricles fill with blood; in blood pressure measurements, the "bottom" value represents diastole
the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus
abnormal heart sound caused by improper closure of the heart valves
anterior surface of the body overlying the heart and great vessels
Volume of blood that fills the heart and stretches the heart muscle fibers during its resting phase (volume of blood in ventricles at end of diastole, just prior to contraction)
cardiac phase during which the ventricles contract and eject blood into the pulmonary and circulatory systems
thickening and hardening of the walls of the arteries, can also decrease the blood supply to the brain and cause a decrease in mental abilities
a stage of arteriosclerosis involving fatty deposits (atheromas) inside the arterial walls
the term for veins because they have the ability to stretch. they have a large diameter and are more distensible to hold more blood. this reduces stress on the heart.
aching or cramping pain in the calf felt with passive dorsiflexion of the foot; sign of thrombosis of deep veins in the calf
insufficient blood flow to an area
pressure of the blood felt against the wall of an artery as the heart contracts or beats
distended or tortuous veins usually found in the lower extremities