Definition of Blood Pressure. Blood Pressure (BP) is the pressure exerted on blood vessel walls by circulating blood. What is the difference between Systolic and Diastolic blood pressure? Systolic blood pressure is the pressure within the arteries when the heart contracts increasing blood flow through the arteries and therefore in turn the pressure. Diastolic pressure […]
Posts with the Cardiac Output tag
Hypertension – The Pathophysiology
Arterioles and large blood vessels become hardened and constricted, leading to an abnormal resistance to blood flow and subsequently an elevated blood pressure. The heart responds by trying to overcome the peripheral resistance. There is therefore an increased cardiac output as the heart tries to pump more blood to the different parts of the body. […]