Right-sided ECG with an inferior wall MI - Right ventricular infarction. Reel #8 in the series evaluating the 12 lead ECG. When I evaluate a 12 Lead ECG, I dissect into leads that look at the same wall of the ❤️. I start with leads II, III & aVF. These leads look toward the inFerior wall. All 3 leads have significant ST segment elevation. Note lead III elevation is > lead II. This signifies it’s most likely an RCA occlusion. A precordial lead was moved to the VR4 position giving us a view of the