Posterior Myocardial Infarction by ECG Finding

**Semantic type:** Finding

**Definition:** An electrocardiographic finding in leads V1 or V2 of an initial R wave duration greater than or equal to 40 ms, R wave greater than S wave, and upright T wave, which is suggestive of myocardial infarction of the posterior wall of the left ventricle. Evidence of inferior or lateral myocardial infarction is usually also present. (CDISC)

**Synonyms:** - POSTERIOR WALL MYOCARDIAL INFARCTION - Posterior MI - Posterior Myocardial Infarction by EKG Finding - Posterior Wall Myocardial Infarction - Posterior Wall Myocardial Infarction