A member asked:

What underlying issues would cause a paradoxical response to a cold pressor test? starting bp 148/82 60 seconds with left hand in ice water bp went to 72/58 causing loss of consciousness and vomiting?

A doctor has provided 1 answer
Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

Most people will react with high blood pressure along with high heart rate (tachycardia - sympathetic stimulation) when doing cold pressor test but in your case you had paradoxic vasovagal reaction (parasympathetic stimulation) which causes bradycardia and hypotension.

Answered 11/30/2022

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