238 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... tachycardia • Atrial flutter ... • AV nodal reentrant ... tachycardia • AV reentrant ... tachycardia • Atrial flutter
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
Clockwise (Right) Flutter ... Typical atrial flutter ... originates from a reentrant ... clockwise atrial flutter ... Atypical atrial flutter
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
(PACs), Atrial Flutter ... AV node: AV re-entrant ... ), AV nodal re-entrant ... Differential #Diagnosis #Causes
Atrial flutter with AV block on Echocardiogram

Ivan Stankovic, MD, PhD @Ivan_Echocardio

#Atrial #Flutter #PLAX #psax #Echocardiogram #clinical
Atrial flutter with ... Ivan_Echocardio #Atrial #Flutter ... clinical #cardiology #pocus
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Guide to AV Nodal Reentrant ... AV node and a reentrant ... This reentrant circuit ... - In most case ... #AV #Nodal #Reentrant
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
(AVNRT, OAVRT, AFIutter ... Tachycardia: • AFib > AFIutter ... whether AF is cause ... Tx: Underlying cause ... Narrow #Irregular #causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Tachycardia • Aflutter ... • AFib • AFIutter ... Diagnosis #Algorithm #causes
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... FIBRILLATION • ATRIAL FLUTTER ... #Palpitations #Causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Possible atrial flutter ... Treat underlying cause ... possible atrial flutter ... Treat underlying cause
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (4) Vfib/flutter ... (2) Atrial flutter ... absent P (2) A flutter ... 200ms from longer pause