Most heart related pain is secondary to reduced blood supply to heart. Whether this is due to reduced blood supply, block of supply or inefficient supply the complaints may be similar: crushing midchest pain, a feeling of tightness, constriction and heaviness that may become progressively more severe or intense. The pain frequently radiates to the left side of chest, left shoulder, arm, and neck, and there may be an accompanying feeling of impending doom. Acute Infection of heart or lungs can also present in a similar way.
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