HPI: A 56-year-old woman with history of breast cancer presents to the ED with chest pain and dyspnea. She is found to be afebrile, tachypneic, and tachycardic with a normal blood pressure. The following ECG is obtained:
Case ECG
Before watching this week’s video, ask yourself these questions:
Take-home Points:
Sgarbossa criteria appear to predict acute MI in patients with pacemakers. The criteria have low sensitivity but are very specific. Criteria C (excessively discordant ST-segment elevation) seem to be most specific in patients with pacemakers.
Reference
References:
Take-home points:
Reference:
Final Class IIB Take-home points
Share the literature and be an advocate for your patients!
Concordant STE ≥ 1mm (in any lead) = Most specific for MI
Concordant STD ≥ 1mm in V1, V2, or V3 = Specific for MI
Discordant STE ≥ 5mm = Less specific for MI
