1 MCQs in Medicine for NEET PG
A 62-year-old man with a history of hypertension presents to the emergency department with acute chest pain of 2 hours duration. His ECG shows a QRS duration of 135 ms with the pattern shown in the diagram. The structure marked **A** (wide notched R-waves in V5/V6) is characteristic of left bundle branch block (LBBB) morphology. Given this baseline conduction abnormality, which of the following ECG findings would be MOST SPECIFIC for acute ST-elevation myocardial infarction (STEMI) according to the Sgarbossa criteria?
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