31 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
also known as Mobitz ... on consecutive beats ... 'dropped' QRS complex ... the dropped QRS complex ... #Mobitz1 #Mobitz
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
also known as Mobitz ... on consecutive beats ... 'dropped' QRS complex ... the dropped QRS complex ... #Mobitz1 #Mobitz
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Degree Heart Block, Mobitz ... waves and QRS complexes ... lengthens • Dropped beats ... the AV node #Mobitz
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Degree Heart Block, Mobitz ... normal • QRS complexes ... There are dropped beats ... His-Purkinje system #Mobitz
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
VT: - No RS complexes ... - Very broad complexes ... rates) - Capture beats ... - a QRS complex ... - Fusion beats
Loculated pericardial effusion seen in apical 4-chamber on echocardiogram

Dr. J. Christian Fox @jchristianfox

#Pericardial #Effusion #Loculated #complex
Loculated pericardial effusion ... #Pericardial #Effusion ... #Loculated #complex ... Echocardiogram #POCUS
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Management Narrow Complex ... Variable AV Block, Mobitz ... I AV Block, Mobitz ... AV Block Wide Complex ... epinephrine & start infusion
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
dissociation (P and QRS complexes ... Presence of captured beats ... a VT run) and fusion ... beats (hybrid complex ... negative (QS) complexes
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... Degree AV Block - Mobitz ... Degree AV Block - Mobitz ... not you have a Mobitz ... • Ventricle beats
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
• QRS complexes ... ranges from 50-110 beats ... • Capture and fusion ... beats may or may