Blood pressure is the force of blood inside an artery. A blood
pressure reading measures the force of blood against the walls of an
Blood pressure is measured by temporarily stopping the flow of
blood in an artery, usually by wrapping a cuff around the upper arm and pumping
air into the cuff. As the air is released from the cuff, blood begins to flow
through the artery again. When the blood begins to flow, the sound of blood
flowing through the artery can be heard through a stethoscope placed on the
skin over the artery inside the elbow.
April 5, 2011
E. Gregory Thompson, MD - Internal Medicine & Robert A. Kloner, MD, PhD - Cardiology
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