Key Points Wide QRS Rhythms Can Mask OMI: Left bundle branch block (LBBB) and right ventricular (RV)-paced rhythms alter ventricular depolarization, producing expected secondary ST/T changes. However, acute occlusion MI…
A 84-year-old man presents to the ED with chest pain 6 days after PCI where he received a stent to his LAD. He is noted to have a LBBB at…
An elderly patient with a history of CAD and a known LBBB presents to the ED with acute onset of chest pain. The following ECG is obtained:
A 50-year-old man with a known left bundle branch block presents to the ED with acute chest pain. The following ECG is obtained:
HPI: A 76-year-old woman presents to the ED with chest pain that radiates to the neck, jaw and teeth. The pain is associated with nausea, dyspnea, and diaphoresis. The…