39 results
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
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... bpm) - Narrow Complex ... WPW) - Narrow Complex ... Tachycardia - Wide Complex ... aberrancy - Wide Complex
Bradycardias Comparison Table
 - SINUS BRADYCARDIA 
 - JUNCTIONAL BRADYCARDIA 
 - 1st DEGREE AV BLOCK
Comparison Table - SINUS ... 1st DEGREE AV BLOCK ... Type 1 and 2 - COMPLETE ... HEART BLOCK ... #Diagnosis #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... presence of AV block ... #Arrhythmia #cardiology ... diagnosis #ekg #ecg #electrocardiogram
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
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
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
Management Narrow Complex ... : • Regular: Sinus ... • Irregular: Sinus ... Arrhythmia, Sinus ... Wide Complex Bradycardia
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV Block ... • The QRS complex ... Second #Degree #AVBlock ... Type2 #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
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