A member asked:

What is postural tachycardia syndrome (dysautonomia)?

6 doctors weighed in across 2 answers
Dr. Mark Rasak answered

Specializes in Cardiology

Fast hr and low bp: Pots is a syndrome where the blood pressure drops and the heart speeds up with change in position.When pts stand up suddenly especially. The pt feel light headed sweaty nausated and can even pass out. Medicine to keep BP up as well as salt retaining steroids help.Support stockings and staying hydrated also help.

Answered 6/10/2014


Dr. Catherine Willner answered

Specializes in Neurology

Rapid heart rate up: Pots (redundant name of postural orthostatic tachycardia syndrome) is one type of dysautonomia - a word which describes problems with your autonomic nervous system. This condition causes rapid hr when you are up - sitting but worse standing though your blood pressure is maintained. Other dysautonomias can cause low BP without increase in hr.

Answered 3/22/2019



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