Heart Attack 2 : Life threatening emergency that occurs when a vessel supplying blood to the heart muscle is suddenly blocked completely by a blood clot. The medical term commonly used for a heart attack is myocardial infarction.
Australia Government Department of Health, Canberra ACT, Acronyms and Glossary (compiled by the Departmental Library from Departmental websites, annual reports and lists prepared by various Divisions within the Department), https://www.health.gov.au/internet/main/publishing .nsf/Content/glossary#a, Australia 2013. (Occupn Hlth and Sfty - Amer) {687}