Differentiate the causes of a tall R wave in lead V 1 Causes QRS ECG ∆’s W-P-W Widened Delta waves Short PR interval RBBB Widened rSR ´ in V 1 Wide terminal S wave in I and V 6 RVH Normal RAD R ventricular strain Infarct Normal Changes in inferior leads Positive “mirror test”
60 y.o. ♂ with history of heart disease. 72 y.o. ♀ with history of palpitations. 28 y.o. ♂ with no medical problems or heart disease. 66 y.o. ♂ 2ppd smoker with history of COPD. 48 y.o. ♂ with new onset chest pain.
Causes of anterior ST segment depression in the setting of acute inferior infarct