23 results
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
If see flutter p ... • Sinus Tachy ... see P, either Flutter ... If not Flutter P ... #algorithm #irregular
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Clockwise) Atrial Flutter ... Counterclockwise) Atrial Flutter ... Clockwise) Atrial Flutter ... #aflutter #ecg ... #ekg #electrocardiogram
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Independent Atrial Flutter ... CTI-independent flutter ... Independent #Atrial #Flutter ... #aflutter #ecg ... #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... DANGER (4) Vfib/flutter ... (2) Atrial flutter ... absent P (2) A flutter ... #electrocardiogram
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
Atrial Flutter on ... depolarizations (i.e. flutter ... EricsMedicalLectures/ #Atrial #Flutter ... #aflutter #ecg ... #ekg #electrocardiogram
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Counterclockwise) Atrial Flutter ... on EKG • Inferior ... Counterclockwise #Atrial #Flutter ... #aflutter #ecg ... #ekg #electrocardiogram
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Clockwise) Atrial Flutter ... on EKG • Inferior ... Clockwise #Atrial #Flutter ... #aflutter #ecg ... #ekg #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... (>100 bpm) - Narrow ... Tachycardia • Aflutter ... WPW) - Narrow ... • AFib • AFIutter
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
"Sinus Tach" at ... cue to look for flutter ... EM #Cardiology #ECG ... #Atrial #Flutter
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Regular Rhythm: Sinus ... Tachycardia, Atrial flutter ... tachycardia • Narrow ... fibrillation, Atrial flutter ... block, Atrial flutter