A 51-year-old male is at his health clinic for an annual physical exam. After walking from the car to the clinic, he developed a substernal pain. He also reported discomfort in his left shoulder and his jaw, lasting 2 to 3 minutes and then subsiding with rest. He indicates that this has occurred frequently over the past few months with similar exertion. He is most likely experiencing:

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The characteristic symptoms of stable angina include chest discomfort or pain that typically occurs with exertion or emotional stress and is relieved by rest or nitroglycerin. The pain may radiate to the left arm, shoulder, or jaw. This patient's symptoms are consistent with stable angina as they occur with exertion and subside with rest, and they have been occurring frequently over the past few months. Unstable angina is characterized by symptoms that occur at rest or with minimal exertion and are severe and prolonged or new onset. Prinzmetal angina is a type of angina caused by vasospasm of the coronary arteries, often occurring at rest, and is typically treated with calcium channel blockers. Myocardial infarction occurs when there is prolonged and severe ischemia leading to irreversible damage to the heart muscle, and is characterized by a similar substernal pain but is not relieved by rest, and may have associated symptoms such as nausea, vomiting, and diaphoresis.

A 51-Year-Old Male Is at His Health Clinic for an Annual