9 results
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Modified Sgarbossa ... Checklist for diagnosing ... - Suspect STEMI ... #Diagnosis #Checklist ... #lbbb
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT with BBB All ... Absence of typical RBBB ... or LBBB morphology ... in contrast to RBBB ... #diagnosis #electrocardiogram
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
Absence of typical RBBB ... or LBBB morphology ... Visualmed #VT #VTach ... #Comparison #Diagnosis ... #Cardiology
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
Modified Sgarbossa ... STEMI in the presence ... of a LBBB If there ... #Cardiology #Sgarbossa ... #LBBB
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
inversion precordial ARVD ... Trifascicular block - RBBB ... (<360ms) PE: RBBB ... #diagnosis #cardiology ... #electrocardiogram
What is the new modified Sgarbossa Criteria?
- Concordant ST-segment elevation ≥ 1 mm in any lead
-
What is the new modified ... Sgarbossa Criteria ... ≥ 1 mm in lead V1 ... Ratio ≤ -0.25 #Diagnosis ... Criteria #STSRatio #LBBB
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
depression • Sgarbossa ... 3 (modified) - ... Equivalents #ECG #EKG #diagnosis ... #differential #cardiology ... #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
tall T wave in V1 ... , unless LBBB/LVH ... Ischemia #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... Framework STEMI ... morphology similar to LBBB ... #cardiology #ecg ... #ekg #electrocardiogram