I doubt his heart: is connected to his arm. ANd it is on the left. Muscle, tendons, nerves are on that side and can be irritated by exercise or most anything. Rest, aspirin like drugs, and physical therapy might be useful.
Answered 4/9/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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