28 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
interval on the electrocardiogram ... 'dropped' QRS complex ... the dropped QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
interval on the electrocardiogram ... 'dropped' QRS complex ... the dropped QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Block type II (aka Mobitz ... • The QRS complex ... Type2 #diagnosis #cardiology ... #ecg #ekg #electrocardiogram ... #Mobitz2
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Management Narrow Complex ... : • Regular: Sinus ... • Irregular: Sinus ... Arrhythmia, Sinus ... AV Block Wide Complex
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
VT: - No RS complexes ... - Very broad complexes ... Fusion beats - a sinus ... produce a hybrid complex ... #diagnosis #electrocardiogram
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... look like the sinus ... premature junctional complex ... premature #atrial #complexes ... #ekg #ecg #electrocardiogram
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Degree Heart Block, Mobitz ... waves and QRS complexes ... the AV node #Mobitz ... HeartBlock #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
Mobitz II heart ... conducted QRS complex ... #Clinical #EM #IM ... #Cardiology #MedStudent ... #Mobitz2 #Mobitz
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Degree Heart Block, Mobitz ... normal • QRS complexes ... His-Purkinje system #Mobitz ... HeartBlock #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
dissociation (P and QRS complexes ... beats (hybrid complex ... of normal sinus ... negative (QS) complexes ... Brugada algorithm