Cardiac Anesthesiologist blog
Myocardial infarction: severe pain, usually more than 20 min in duration.
Dissecting aortic aneurysm: pain is sharp, tearing, often occurs in back.
Mitral valve prolapse: transient pain, midsystolic click murmur, and young female with no risk factors.
Myocarditis: pain is usually vague and mild if present.
Pericarditis: pain is sharper, pain worse with lying down and relieved by sitting up.