Many things...: Heart attack, pulmonary embolism, pneumothorax, pneumonia, pleurisy, cardiac arrhythmia, pericarditis, esophageal reflux, gastritis, peptic ulcer disease, angina, shingles, costochondritis, musculoskeletal injury, and other conditions. You should get this looked at immediately, especially if new-onset.
Answered 4/21/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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