A member asked:

I sometimes wake up in the middle of the night, and develop racing heart palpitations with left arm tingling/numbness. anxiety or cardiac issue? 25y/o

A doctor has provided 1 answer
Dr. Alan Heldman answered

Specializes in Cardiology

Palpitations: When your heartbeat feels unusual & rapid, we call that palpitations. If you have chest discomfort, shortness of breath, lightheadedness or fainting that's worrisome. Start by seeing an internal medicine or cardiology doctor; depending on what else turns up, some tests are in order.

Answered 2/29/2016

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