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Chest Pain, Acute. Severe, sudden chest pain can represent a life-threatening problem. Follow this chart for more information. Our trusted Symptom Checker is written and reviewed by physicians and patient education professionals. Find a possible diagnosis by choosing a symptom and answering a few simple questions.
Chest pain from pericarditis is usually a sharp pain coming from the left side of the chest underneath the breastbone. The pain might radiate into the left arm or into the neck. Chest pain occurs because the pericardium is pressing up against the outer part of the heart.