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…
A 29-year-old male with no significant known PMHx presents to the ED with palpitations. He is found to be markedly tachycardic on arrival. The following ECG is obtained:
A 65-year-old woman presents to the ED with chest pain and diaphoresis concerning for an acute coronary syndrome. The following ECG is obtained:
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:
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:
A 85-year-old woman with a known history of LBBB presents to the ED with chest pain concerning for acute ischemia. The following ECG is obtained: