I am feeling numb in my chest and short of breath. Should I be concerned. I don't have chest pains, however, have pains in my left arm.?

Short of Breath. You need to get immediate attention. Either call 911 or get to an er. You are having symptoms that could be related to your heart or warning of a heart attack. Get help now!
Yes. You need to be urgently (er) evaluated to rule out cardiac cause.

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