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	Blood pressure measurement
释义	Blood pressure measurement 原声例句科学杂志：科技 And it's the first time this particular artery in the fingertip has been shown to be an effective site for blood pressure measurement. 这是指尖中的这条特殊动脉首次被证明是测量血压的有效部位。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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Blood pressure measurement

Blood pressure