A member asked:

I get benign pvc and pacs. sometimes i get 4-6 beat runs of pacs with no normal beats in between. is this benign? echo, cardiac mri, resting ecg, exercise ecg, electrolytes and thyroid all completely normal.

A doctor has provided 1 answer
Dr. Stuart Hickerson answered

Specializes in Family Medicine

PVC: One common cause for PVC is low magnesium which is common and serum magnesium can often be normal even though tissue magnesium is low.

Answered 3/1/2020

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