A 42-year-old female asked:
What are the key differences between pots and ist?
1 doctor answer • 3 doctors weighed in
Pediatrics 34 years experience
Basic differences...: POTS: Abnormally fast sinus rhythm at rest or minimal activity that accelerates beyond expectations and is out of proportion to physiologic necessity, not resulting from an explainable underlying cause. Diagnosed by exclusion. IST: Condition of orthostatic intolerance leading to abnormal increase in heart rate with change in position. Diagnosed with tilt table.
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2.7k viewsReviewed >2 years ago
Last updated Jul 2, 2015
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