Abstract
Most of the inferior ST-elevation myocardial infarctions (STEMIs) are due to the occlusion of the dominant right coronary artery, but there are few exceptions. In order to diagnose the actual life-threatening STEMI, we should be aware of the exceptional causes. Here, we present a case of a 69-year-old female with the first diagnostic electrocardiogram report interpreted as inferior STEMI, but the culprit occlusion was later found to be by left anterior descending artery in coronary angiography. All these observed circumstances are reported accordingly.