EKG - Anterolateral STEMI with Tombstones Here’s an impressive #ECG of a man with chest pain for ~1 hour showing TOMBSTONES in the AnteroLateral Leads. Cath showed 100% Proximal LAD Occlusion. 1st HS Troponin? Normal NEVER rely on an early initial troponin to rule out Coronary Occlusion! Sam Ghali, M.D. @EM_RESUS #STEMI #Tombstones #Anterolateral #EKG #ECG #clinical #cardiology