Basic Health Care Series - Blood Pressure - Bok av Bailee Skeen - Häftad
Blood pressure (BP) is the pressure of circulating blood on the walls of blood vessels. When used without further specification, \blood pressure\ usually refers to the arterial pressure in the systemic circulation. Blood pressure is usually expressed in terms of the systolic (maximum during one heart beat) pressure over diastolic (minimum in between two heart beats) pressure and is measured in millimeters of mercury (mmHg), above the surrounding atmospheric pressure (considered to be zero for convenience)...