19 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
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 #diagnosis #causes
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
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... • Atrial flutter ... • Atrial tachycardia ... Irregular: • Atrial ... Atrial flutter
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
convert - Possible atrial ... atrial tachycardia ... Treat underlying cause ... Rhythm: • Probable atrial ... fibrillation or possible atrial
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... ARRYTHMIA • ATRIAL ... FIBRILLATION • ATRIAL ... FLUTTER • HEART ... • ATRIAL TACHYCARDIA
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
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• Premature atrial ... Monofocal Ectopic Atrial ... • Aflutter ... • Multifocal Atrial ... Diagnosis #Algorithm #causes
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
Supraventricular tachycardia ... four main types: atrial ... (PSVT), atrial ... flutter, and Wolff-Parkinson-White ... MedStudent #Cardiology #EKG
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Atrial ... SVTs - atrial/junctional ... (3) Multifocal atrial ... 200ms from longer pause ... #EKG #diagnosis