Which coronary artery is occluded?
Left anterior descending
Left circumflex
Left diagonal branch
Left main stem
Answer D. Left main stemThe 12-lead electrocardiogram shows ST-segment elevation in leads V1, V2, V3, I, aVL, and aVR and ST-segment depression in leads V4, V5, V6, II, III, and aVF, findings suggestive of occlusion of the left main stem of the coronary artery. The patient recovered following revascularization.
C.V.S.