18 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
3 different P wave ... A regular rhythm ... retrograde) - AVNRT ... , AVRT, Junctional ... diagnosis #causes #cardiology
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Diagnosis Framework Narrow-Complex ... Flutter, AVRT ( ... WPW), AVnRT (ie ... Differential #Diagnosis #cardiology ... #wide #narrow #
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Differential Diagnosis • Narrow ... QRS - Regular Rhythm ... Sinus tachycardia, AVNRT ... tachycardia • Narrow ... Differential #Diagnosis #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
the atria and ventricles ... differentials of narrow ... Hussainch #Cannon #Awaves ... #AVNRT #PhysicalExam ... #JVP #Cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
P waves. ... deflection not AVRT ... /AVNRT. ... • Atrial Flutter ... Diagnosis #Management #cardiology
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
... regular cannon ... a waves in AVNRT ... EMdoc14 #CannonA #AWaves ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• Premature atrial ... (>100 bpm) - Narrow ... Aflutter • AVNRT ... WPW) - Narrow ... tachyarrhythmias #Cardiology
Jugular Waveform Components 
 • a wave - due to atrial contraction: It occurs just before
Jugular Waveform ... - due to atrial ... #Waves #Jugular ... Waveforms #JVP #PhysicalExam ... #cardiology
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Abnormal Jugular ... - Atrial flutter ... tamponade #Abnormal #Jugular ... Differential #Diagnosis #PhysicalExam ... #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- Premature atrial ... depolarizes the atria ... usually shows: regular ... narrow complex ... Pathophysiology #cardiology