14 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
(MAT) ≥ 3 different ... P wave morphologies ... retrograde) - AVNRT ... #differential # ... diagnosis #causes #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... • ST vs SVT (AVNRT ... variable block >> MAT ... abnormality • Beware AV ... #causes #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... Diagnosis and Management ... /AVNRT. ... #Differential # ... #cardiology #wide
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... Control rate with AV ... atrial flutter or MAT ... #Treatment #management ... #cardiology #algorithm
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
(SVT) - Differential ... , AVNRT, AVRT, Atrial ... Fibrillation, MAT ... #SVT #Differential ... #cardiology
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
3 different P wave ... Rate 100-180 • Irregular ... #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... ECG usually shows ... : regular narrow ... at rates of 120 ... #cardiology #SVT
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
simultaneously at ... EKG of the same ... excludes other differentials ... Hussainch #Cannon #Awaves ... #JVP #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (MAT) - 3 ... different P waves ... electrocardiogram #cardiology ... #differential
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
if necessary to max ... WPW) - Avoid AV ... nodal agents (e.g ... #Treatment #management ... #cardiology #algorithm