Orthostasis: The heart rate and blood pressure can vary from lying to standing, and abnormal changes can cause lightheadedness and malaise. Orthostasis is the term if the blood pressure drops more than 10 mm hg or the heart rate increases more than 20 beats per minute upon standing.
Answered 1/31/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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