22 results
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
Typical atrial ... causing clockwise atrial ... Atypical atrial ... from the left atrium ... #Classification
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Atria: Premature ... Atrial Contractions ... (PACs), Atrial ... Flutter (AFL), Atrial ... (PST), Focal Atrial
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... Multifocal Atrial ... Atrial flutter ... (Ectopic) Atrial ... #differential #
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Orthodromic AVRT, Atrial ... Tachycardia, Atrial ... Irregular Rhythm: Atrial ... fibrillation, Atrial ... , Atrial fibrillation
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... , Atrial Tachycardia ... , Atrial Flutter ... • Irregular: Atrial ... ), Atrial Flutter
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Atrial flutter ... • Atrial tachycardia ... Irregular: • Atrial ... • Multifocal atrial ... Atrial flutter
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... • Premature atrial ... Monofocal Ectopic Atrial ... • Aflutter ... • Multifocal Atrial
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
cue to look for flutter ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
Abnormal Jugular Venous Pressure Waveforms - Differential Diagnosis
 - Absent a wave - Atrial fibrillation, sinus
Absent a wave - Atrial ... - Atrial flutter ... stenosis, right atrial ... stenosis, right atrial ... regurgitation, atrial
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
convert - Possible atrial ... flutter, ectopic ... atrial tachycardia ... Rhythm: • Probable atrial ... fibrillation or possible atrial