Both a myocardial infarction and angina pectoris are a result of an insufficient amount of oxygen getting to the heart muscle.

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Both myocardial infarction and angina pectoris are caused by a blockage or narrowing of the coronary arteries, reducing the flow of oxygen-rich blood to the heart muscle. This lack of oxygen can lead to chest pain or discomfort in the case of angina pectoris, and potentially irreversible damage to the heart muscle in the case of a myocardial infarction.

Both a Myocardial Infarction and Angina Pectoris Are a Result