Arm pain can be caused by a wide variety of problems, ranging from joint injuries to compressed nerves. Depending on the cause, arm pain can start suddenly or develop over time. In many cases, arm pain actually originates from a problem in your neck or upper spine. Arm pain, particularly pain that radiates into your left arm, can even be a sign of a heart attack.
Apr. 09, 2013
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- Heart attack. National Heart, Lung, and Blood Institute. http://www.nhlbi.nih.gov/health/health-topics/topics/heartattack/. Accessed Feb. 5, 2013.
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- Wilkinson JM (expert opinion). Mayo Clinic, Rochester, Minn. Feb. 3, 2013.