33 results
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
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 ... Counterclockwise #Atrial #Flutter ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Clockwise) Atrial Flutter ... Clockwise #Atrial #Flutter ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
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 ... Distal AV block - ventricular ... #electrocardiogram
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 ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Regular Rhythm: Sinus ... Tachycardia, Atrial flutter ... fibrillation, Atrial flutter ... Regular Rhythm: Ventricular ... block, Atrial flutter
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Escape Rhythm • Ventricular ... • Premature ventricular ... Tachycardia • Aflutter ... • AFib • AFIutter ... tachyarrhythmias #Cardiology
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... . sinus bradycardia ... fib with slow ventricular ... #ECG #electrocardiogram ... #cardiology #diagnosis