Blood pressure

Curve of the arterial pressure during one cardiac cycle. The closing of the aortic valve causes the notch in the curve.

Overview of main complications of persistent high blood pressure.

Systole on the left and diastole on the right

Blood pressure (BP) is the pressure exerted by circulating blood upon the walls of blood vessels. When used without further specification, "blood pressure" usually refers to the arterial pressure in the systemic circulation. It is usually measured at a person's upper arm. Blood pressure is usually expressed in terms of the systolic (maximum) pressure over diastolic (minimum) pressure and is measured in millimeters of mercury (mm Hg). It is one of the vital signs along with respiratory rate, heart rate, oxygen saturation, and body temperature. Normal resting blood pressure in an adult is approximately 120/80 mm Hg.

单词	Measuring blood pressure
释义	Measuring blood pressure 原声例句四级写作真题范文 The volunteers also provided basic health screening services, such as measuring blood pressure and blood sugar levels, to ensure that the elderly are in good health. 志願者還提供了基本的健康檢查服務, 例如測量血壓和血糖水平, 以確保老年人身體健康。英语百科 Blood pressure Blood pressure (BP) is the pressure exerted by circulating blood upon the walls of blood vessels. When used without further specification, "blood pressure" usually refers to the arterial pressure in the systemic circulation. It is usually measured at a person's upper arm. Blood pressure is usually expressed in terms of the systolic (maximum) pressure over diastolic (minimum) pressure and is measured in millimeters of mercury (mm Hg). It is one of the vital signs along with respiratory rate, heart rate, oxygen saturation, and body temperature. Normal resting blood pressure in an adult is approximately 120/80 mm Hg.
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Measuring blood pressure

Blood pressure