A member asked:

I suddenly blank out after i get up from a sitting or lying position n i feel dizzy just lying down.. i'm 21 n a sportsman so i dunno why i feel weak.?

A doctor has provided 1 answer
Dr. Mark Rasak answered

Specializes in Cardiology

Sounds orthostatic: When you get up your blood pressure drops and you get those symptoms. You need a full work up including an echo , holter and a tilt table test.

Answered 10/25/2012

5.5k views

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