To take a
blood pressure reading, a healthcare provider will place a
cuff around your arm and inflate it until the blood stops flowing. Then she
will slowly deflate the cuff and listen to an artery in your arm, on the
opposite side of your elbow. When she first hears blood flowing, which sounds
like a heartbeat, she measures the systolic blood pressure. When she can't hear
the beat anymore, she measures the diastolic blood pressure. The systolic
pressure number is always recorded first.
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