What is the term used for chest pain that occurs due to ischemia?

The term used for chest pain that occurs due to ischemia is angina. Angina refers specifically to the discomfort or pain arising when the heart muscle does not receive enough blood and therefore insufficient oxygen, typically due to narrowed coronary arteries. This condition often manifests during physical exertion or stress but may also occur at rest in some cases, particularly if the ischemia is severe.

Understanding angina is essential in the context of cardiac health, as it gives a warning sign of potential heart issues, suggesting that the heart's oxygen supply is inadequate. Immediate attention to angina symptoms is crucial, as they could precede more severe heart conditions, including myocardial infarction, which is a heart attack resulting from prolonged ischemia.

The other terms listed do not accurately describe chest pain due to ischemia. Myocardial infarction refers to actual heart tissue death due to prolonged ischemia, heartburn is associated with acid reflux and gastrointestinal issues, and cardiac arrest signifies a complete cessation of heart activity, which is a more acute and life-threatening situation. Understanding these distinctions helps in recognizing the varying degrees of heart-related issues and the importance of seeking appropriate medical assistance.