215 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
retrograde) - AVNRT ... , AVRT, Junctional ... #Tachycardias #differential ... #diagnosis #causes
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Tachycardia (SVT) - Differential ... Framework and Management ... Sinus Tachycardia, AVNRT ... , AVRT, Atrial Flutter ... Tachycardia #SVT #Differential
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... AFlutter • AVNRT ... /AVRT - Bradyarrhythmia ... Syncope #Cardiology #Differential ... Diagnosis #Algorithm #causes
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... re-entrant tachycardia (AVRT ... re-entrant tachycardia (AVNRT ... Arrhythmias #Anatomical #Differential ... #Diagnosis #Causes
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... Diagnosis and Management ... /AVNRT. ... #Tachycardia #Differential ... #Diagnosis #Management
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Aflutter • AVNRT ... • AVRT (ie ... tachyarrhythmias #Cardiology #Differential ... Diagnosis #Algorithm #causes
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
A waves during AVNRT ... Physical Exam In AVNRT ... to diagnose the case ... as Typical AVNRT ... excludes other differentials
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... or AVRT - Observe ... Treat underlying cause ... Treat underlying cause ... Tachycardia #Treatment #management
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... • ST vs SVT (AVNRT ... whether AF is cause ... Tx: Underlying cause ... #Tachycardia #Differential
Differential including the common malignant etiologies of palpable breast masses. 

#Differential; #Surgery; #Breastmasses; #Breastcancer; #Malignantbreastmass

Image Source:De
Differential including ... palpable breast masses ... #Differential; # ... Source:De Virgilio, C. ... Surgery: A case