9 results
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
Ventricular Tachycardia (VT ... axis deviation; LBBB ... peak time; and WCT ... VTach #ECG #EKG #Electrocardiogram ... #Diagnosis #Cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
or LBBB morphology ... sinus beat that ... Morphology criteria ... Aberrancy #Comparison #Diagnosis ... #Cardiology
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
Block (RBBB) - ... Criteria: • QRS ... #RBBB #EKG #Diagnosis ... #ECG #electrocardiogram ... #cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
or LBBB morphology ... QRS complex of normal ... Fusion beats - a sinus ... Versus #ecg #ekg #cardiology ... #diagnosis #electrocardiogram
Sgarbossa’s ECG criteria for detecting ischemia in the presence of left bundle branch block (LBBB)

The Sgarbossa
presence of left bundle ... branch block (LBBB ... #Diagnosis #Cardiology ... #Discordance #Normal ... #LBBB
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
- Differential Diagnosis ... • HyperK vs VT ... Don't rely on criteria ... AFIutter + variable block ... • Beware AV nodal
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
100 Wide (1) VT ... Tachy w/ BBB ... bradyarrhythmia #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
blocks) - ECG Diagnosis ... is an existing bundle ... #cardiology #ekg ... #ecg #diagnosis ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... morphology similar to LBBB ... block; and sinus ... ST Elevation of Normal ... #ekg #electrocardiogram