Hello,
Many disorders produce chest pain or discomfort. Some (e.g.,
acute MI, unstable angina, thoracic aortic dissection, tension pneumothorax, esophageal rupture, pulmonary embolism) are immediately life threatening. Some (e.g., angina pectoris, pericarditis, myocarditis, pneumothorax, pneumonia, pancreatitis, various thoracic malignancies) are potentially life threatening.