DEAR DR. ROACH: What is a tilt table test for? - J.C. ANSWER: The tilt table test is most commonly ordered to determine the cause of syncope, a sudden loss of consciousness. Most cases of syncope are ...
Orthostatic hypotension is a cardinal feature of multiple-system atrophy. The upright posture provokes syncopal episodes that prevent patients from standing and walking for more than brief periods. We ...
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