This ECG shows an acute inferior STEMI with ST elevation in II, III, aVF, and reciprocal ST depression in lateral leads (I, aVL, V5–V6). This is a high-risk ACS pattern requiring immediate cath lab activation.
Classic atrial flutter with sawtooth waves and 2:1 AV block. Ventricular rate ~150 bpm. Interpretation, diagnosis, and teaching points.
A 62-year-old male presents to the emergency department with sudden-onset chest pain radiating to the left arm. Pain started 45 minutes prior to arrival. He is diaphoretic and hypertensive.
