Have it checked out: Left arm discomfort can be due to a lot of causes including heart disease, pinched nerve from the neck, carpal tunnel syndrome, a neurological cause, among others.Have this checked out by ur doc, who can examine u&find cause.If, however, one is a diabetic, smokes, has very high cholesterol, or has family members who had heart attacks early, and the discomfort is bad and lasts more than 10 min, then call 911.
Answered 9/30/2019
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