4 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
, Aortic dissection ... Equivalents / Don't Miss Signs ... in V1, unless LBBB ... #ECG #EKG #diagnosis ... #electrocardiogram
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Discordance" = ST ... waves in opposite direction ... - Suspect STEMI ... Diagnosis #Checklist #EKG ... #electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
V2 • Wellens sign ... pain • Wellens sign ... deviation) • Acute ischemia ... #EKG #diagnosis ... differential #cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
: "Pardee's sign ... morphology similar to LBBB ... Post-cardioversion • Acute aortic ... dissection • ... #ekg #electrocardiogram