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What is low blood pressure?

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Hypotension is the medical term for low blood pressure, defined as less than 90/60.

A blood pressure reading appears as two numbers. The first and higher of the two is a measure of systolic pressure, or the pressure in the arteries when the heart beats and fills them with blood. The second number measures diastolic pressure, or the pressure in the arteries when the heart rests between beats.

SOURCES:

American Heart Association: "Low Blood Pressure."

Ferri, F. Mosby, 2012. Ferri's Clinical Advisor 2012

FDA: "Midodrine Update: February 8, 2012."

Thaisetthawatkul P. 2004. Neurology

National Heart Lung and Blood Institute: "What Is Hypotension?"

Libby, P and Bonow, R. , Saunders, 2007. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine

Reviewed by Suzanne R. Steinbaum on February 20, 2017

SOURCES:

American Heart Association: "Low Blood Pressure."

Ferri, F. Mosby, 2012. Ferri's Clinical Advisor 2012

FDA: "Midodrine Update: February 8, 2012."

Thaisetthawatkul P. 2004. Neurology

National Heart Lung and Blood Institute: "What Is Hypotension?"

Libby, P and Bonow, R. , Saunders, 2007. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine

Reviewed by Suzanne R. Steinbaum on February 20, 2017

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What is the optimal blood pressure?

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