Key Points LBBB Does Not Exclude Acute Coronary Occlusion: LBBB alters ventricular activation, leading to expected secondary ST/T abnormalities. However, acute occlusion myocardial infarction (OMI) can and must still be…
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 48-year-old woman is brought into the emergency department with fever and altered mental status. The following ECG is obtained on arrival:
A 60-year-old man is brought into the emergency department by EMS for acute onset chest pain and diaphoresis concerning for an acute coronary syndrome. The following ECG is obtained on…
A 65-year-old man presents to the ED with chest pain and diaphoresis concerning for an acute coronary syndrome. The following ECG is obtained: