11 results
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
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
Right Bundle Branch ... EKG Diagnosis EKG ... Criteria: • QRS ... #ECG #electrocardiogram ... #cardiology
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
- Diagnostic Checklist ... for diagnosing ... - Suspect STEMI ... Checklist #EKG #electrocardiogram ... #ecg #cardiology
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Remember that RBBB ... normally has ST ... STEMI Criteria misses ... Total #ECG #EKG #Electrocardiogram ... #Clinical #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
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
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
Normal Sinus Rhythm ... - ECG Diagnosis ... Normal sinus rhythm ... #ecg #electrocardiogram ... #criteria
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
T wave in V1 - normal ... in V1, unless LBBB ... Ischemia #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
conducted with normal ... conduct with a RBBB ... #PACs #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

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