High Blood Pressure, Explained!
measurement that the doctor takes at the office to determine our
Blood Pressure (BP) is due to the recurrent pumping of blood by
the heart which creates a cyclic force of blood against the blood
vessels. Normally the vessels are flexible enough to expand and
contract; this expansion and contraction of the vessels produces
the Blood Pressure. This value in the normal adult is about
Last Editorial Review: 6/27/2002
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