Cardio| Localization of MI on ECG
Dec 02, 2022•2 min•Season 1Ep. 10
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Episode description
1.10 Localization of MI on ECG
Cardiovascular system review for the USMLE Step 1 exam T
- Myocardial infarction (MI) can be localized by identifying changes in various ECG leads
- Anterior STEMI: ST elevation in precordial leads V3, V4, indicating occlusion of the distal left anterior descending artery (LAD)
- Lateral MI: ST elevation in leads I, aVL, aVR, and precordial leads V5, V6, caused by an occlusion of the LAD
- Septal MI: ST elevation in leads V1, V2, V3, caused by an occlusion to the LAD
- Inferior MI: ST elevation in leads II, III, aVF, caused by an occlusion of the right coronary artery (RCA)
- Posterior MI: ST elevation in V7, V8, V9, caused by an occlusion of the posterior descending artery (PDA)
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