STAT ECG Diagnoses: left bundle branch block (LBBB) basics and expected findings with a focus on how to diagnose acute coronary occlusion myocardial infarction in these patients
ECG Weekly Workout with Dr. Amal Mattu
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:
Before watching the video, look closely at this ECG and ask yourself these questions:
- Is the ECG useful in the diagnosis of acute MI in patients with LBBB?
- What findings on this ECG are suggestive of acute coronary occlusion MI?
- Aside from the Sgarbossa criteria and modified Sgarbossa criteria, are there any other ECG criteria that are potentially more sensitive in diagnosing acute MI in LBBB?
- Would you activate the cath lab?