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

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Elevation - Differential ... Diagnosis Framework ... STEMI: • Upsloping ... morphology similar to LBBB ... complex Pulmonary Embolism
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Embolism The sensitivity ... Incomplete or Complete RBBB ... • Non-specific ST-T ... Changes • STE ... #diagnosis #cardiology
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
Modified Sgarbossa Criteria ... for diagnosing ... STEMI in the presence ... of a LBBB If there ... #LBBB
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... V6 • Sgarbossa criterion ... • Sgarbossa criterion ... #EKG #diagnosis ... #differential #
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
imitator" • ↓ K - ST ... long QT via long ST ... Brugada 1 - Coved STE ... #diagnosis #cardiology ... electrocardiogram #differential