8 results
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
Differential Diagnosis ... for ST Segment ... Elevations - ACUTE ... EMBOLISM - LBBB ... #STEMI #Differential
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 ... #Clinical #Cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Elevation - Differential ... morphology similar to LBBB ... complex Pulmonary Embolism ... #ST #STEMI #Segment ... #Elevation #differential
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
- Diagnostic Checklist ... for diagnosing ... Discordance" = ST ... - Suspect STEMI ... #Checklist #EKG
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... 0.5mm downgoing ST ... in V1, unless LBBB ... #EKG #diagnosis ... Interpretation #differential
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI - Elevation ... 1 - ST elevation ... • Sgarbossa criterion ... #EKG #diagnosis ... #differential #
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
for diagnosing ... STEMI in the presence ... of a LBBB If there ... elevation of greater ... #LBBB
De Winter T Wave on ECG

Diagnostic Criteria
 - Tall, prominent, symmetric T waves in the precordial
Diagnostic Criteria ... elevation in the ... segment elevation ... aVR - “Normal” STEMI ... #EKG #Clinical