28 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Atrial Tachycardia ... • Atrial Flutter ... AV Reentry Tachycardia ... #SVT #diagnosis ... #cardiology #conduction
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
- Differential Diagnosis ... • Narrow QRS - ... Tachycardia, Atrial ... atrial tachycardia ... #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... ) Irregular Narrow ... Atrial flutter ... differential #diagnosis ... #causes #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Atrial flutter ... AV reentrant tachycardia ... • Atrial tachycardia ... Atrial flutter ... Algorithm #Causes #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Atrial ... flutter (3) ... #EKG #diagnosis ... electrocardiogram #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... Diagnosis and Management ... • Atrial Flutter ... Variable QRS morphology ... #Management #cardiology
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Narrow-Complex: ... , Atrial Tachycardia ... , Atrial Flutter ... ), Atrial Flutter ... #cardiology #wide
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Flutter (AFL), Atrial ... ) • AV node: AV ... #Differential #Diagnosis ... #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... • SA Block • AV ... WPW) - Narrow ... with Variable AV ... tachyarrhythmias #Cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... Control rate with AV ... flutter, ectopic ... atrial tachycardia ... Treatment #management #cardiology