7 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A per minute=rate ... excludes other differentials ... of narrow complex ... #AVNRT #PhysicalExam ... #JVP #Cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... Diagnosis Table ... • ST vs SVT (AVNRT ... AFIutter) • P-waves ... #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
3 different P wave ... retrograde) - AVNRT ... #Tachycardias #differential ... #diagnosis #causes ... #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... /AVNRT. ... Rate > 120, QRS ... #Tachycardia #Differential ... Diagnosis #Management #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Narrow-Complex ... Converts - Probably AVnRT ... Treat underlying cause ... Treat underlying cause ... Treatment #management #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- In most case ... P wave is hidden ... shows: regular narrow ... tachycardia at rates ... Pathophysiology #cardiology
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
’s a great ECG case ... palpitations Her heart rate ... Is it wide or narrow ... @EM_RESUS #AVRT ... Electrocardiogram #Cardiology