11 results
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
: - No RS complexes ... - Very broad complexes ... produce a hybrid complex ... onset of the QRS complex ... #Comparison #VentricularTachycardia
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... 'dropped' QRS complex ... the dropped QRS complex ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... 'dropped' QRS complex ... the dropped QRS complex ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
dissociation (P and QRS complexes ... beats (hybrid complex ... negative (QS) complexes ... Brugada algorithm ... Aberration #Aberrancy #Comparison
Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Article: Wide Complex ... Criteria #Cardiology #ECG ... #VTach #SVT #Differences ... #Comparison #Brugada ... #Algorithm
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
characterized on a surface ECG ... conducted QRS complex ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG ... #MobitzII #Mobitz2
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... wave (ventricular complex ... Third Degree" • Complete ... and the rate is set ... heartblock #cardiology #ecg
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... Regular, Wide-Complex ... If yes, then VT. ... Interpretation #ECG ... #EKG #Electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• The QRS complex ... may progress to complete ... Degree AV Block aka Complete ... sinus rhythm with complete ... electrocardiogram #classification
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Treatment 2nd Degree, Mobitz ... . 2nd Degree, Mobitz ... Pacemaker 3rd Degree, Complete ... HeartBlocks #Types #Classification ... electrocardiogram #ecg