Key Points Diagnosis in LBBB and RV Pacing: Left bundle branch block (LBBB) and RV-paced rhythms can mask acute myocardial infarction (MI). However, specific ECG criteria, including the Smith-Modified Sgarbossa…
Key Points Diagnosis in LBBB: LBBB does not exclude the diagnosis of occlusion myocardial infarction (OMI). Acute MI can be identified despite the repolarization changes that LBBB causes, particularly with…
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: