6 results
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Remember that RBBB ... So ANY ST Elevation ... have ’relative elevation ... STEMI Criteria misses ... #EKG #Electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
of ST Segment Elevation ... morphology similar to LBBB ... • Acute aortic dissection ... blocking drugs #STElevation ... #ekg #electrocardiogram
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 ... #EKG #diagnosis ... #electrocardiogram
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
waves in opposite direction ... Criteria - Suspect STEMI ... Diagnosis #Checklist #EKG ... #electrocardiogram ... #ecg #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI - Elevation ... with 1-2 mm ST elevation ... criterion 1 - ST elevation ... modified) - ST elevation ... amplitude AND (ST elevation
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
for diagnosing STEMI ... presence of a LBBB ... segments in the same direction ... discordant ST elevation ... Modified #Criteria #LBBB