Acute myocardial infarctions are a serious cardiac condition usually caused by a blockage in the coronary artery. This event can cause damage to the heart muscle and lead to heart failure or even death. Synonyms for acute myocardial infarctions include heart attack, myocardial infarction, coronary thrombosis, coronary occlusion, and cardiac infarction. Other related terms include cardiac arrest, angina pectoris, and ischemic heart disease. These terms are used interchangeably in medical settings to refer to various conditions related to heart disease and require prompt medical attention to avoid serious complications. Knowing the synonyms for acute myocardial infarctions is essential in understanding the prevalence, recognition, and management of this life-threatening condition.