12 results
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Diagnosis Framework Narrow-Complex ... : • Regular: Sinus ... WPW), AVnRT (ie ... Differential #Diagnosis #cardiology ... #wide #narrow #
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
A regular rhythm ... conduction Regular ... retrograde) - AVNRT ... , AVRT, Junctional ... diagnosis #causes #cardiology
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
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
and Management - Narrow ... vs Irregular Narrow ... deflection not AVRT ... /AVNRT. ... Diagnosis #Management #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
simultaneously at regular ... This tracing plus regular ... differentials of narrow ... #PhysicalExam # ... JVP #Cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
(>100 bpm) - Narrow ... Aflutter • AVNRT ... • AVRT (ie ... WPW) - Narrow ... tachyarrhythmias #Cardiology
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Cannon A Waves in AVNRT ... ... regular cannon ... a waves in AVNRT ... #Neck #PhysicalExam ... #JVP #Cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Table - Wide vs Narrow ... Regular Rhythm ... - Narrow Complex ... • ST vs SVT (AVNRT ... Irregular #causes #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
substrate for AVNRT ... - Once the PAC ... usually shows: regular ... narrow complex ... Pathophysiology #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... Tachycardia Regular ... Converts - Probably AVnRT ... or AVRT - Observe ... Treatment #management #cardiology