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How To Take Blood Pressure. The patient should sit or lie comfortably. The arm should be fully supported on a flat surface at heart level. (If the armâs position varies, or is not level with the heart, measurement values obtained will not be consistent with the patientâs true blood pressure).
Guide. A home blood pressure test allows you to keep track of your blood pressure at home. Blood pressure is a measure of the force of blood inside an artery. Most people use an automatic device to measure blood pressure at home.This device works by inflating a cuff around the upper arm to temporarily stop the flow of blood in an artery.As air is slowly released from the cuff, the device records the pressure at which blood begins to flow again.ost people use an automatic device to measure blood pressure at home. This device works by inflating a cuff around the upper arm to temporarily stop the flow of blood in an artery. As air is slowly released from the cuff, the device records the pressure at which blood begins to flow again.