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Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
bradycardia, Sick Sinus Syndrome ... tachycardia • Atria ... : Premature Atrial ... Flutter (AFL), ... Atrial Fibrillation
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
four main types: atrial ... tachycardia (PSVT), atrial ... flutter, and Wolff-Parkinson-White ... syndrome.
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
ARRYTHMIA • ATRIAL ... FIBRILLATION • ATRIAL ... FLUTTER • HEART ... PARKINSON WHITE SYNDROME ... TACHYCARDIA • ATRIAL
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (4) Vfib/flutter ... flutter (3) ... SVTs - atrial/junctional ... (3) Multifocal atrial ... (2) Sick Sinus Syndrome
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Paroxysmal AF, atrial ... flutter, or atrial ... fibrillation/flutter ... (sick sinus syndrome ... • Multifocal atrial
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
origin within the atria ... (e.g. ectopic atrial ... • Saw-Tooth = Atrial ... Flutter PR Interval ... WolffParkinson-White syndrome
Atrial Flutter - Summary Sheet

 • Electrophysiology - Typical and Atypical Flutter
 • Treatment
Atrial Flutter - ... Typical and Atypical Flutter ... AtrialFlutter #AFlutter
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
of Multifocal Atrial ... Flutter Multifocal ... Flutter - Atrial ... "Saw tooth" flutter ... AtrialTachycardia #AFib #AFlutter
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Typical (Clockwise) Atrial ... Flutter on EKG ... Counterclockwise) Atrial ... Flutter • Inferior ... #Flutter #aflutter
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 ... areas in the right atrium