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Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
up, slow down; "negative ... • V1: Broad & negative ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Negative F ... Independent #Atrial #Flutter ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
up, slow down; "negative ... Counterclockwise #Atrial #Flutter ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
• V1: Broad & negative ... Clockwise #Atrial #Flutter ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
It starts as sinus rhythm with probable inferior STEMI, but becomes ventricular fibrillation (or polymorphic ventricular
probable inferior STEMI ... , but becomes ventricular ... or polymorphic ventricular ... #Clinical #EM #Cardiology ... #EKG #Arrest #VentricularTachycardia
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
considered to have ’relative ... STEMI Criteria misses ... Occlusion #Total #ECG ... #EKG #Electrocardiogram ... #Clinical #Cardiology
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
at the J point (negative ... - are abnormal electrocardiogram ... or idiopathic ventricular ... #Cardiology #diagnosis ... #ECG #Clinical
Modified Sgarbossa Positive ECG

Interestingly, the ECG for this case report shows development of conventional STEMI criteria
of conventional STEMI ... the patient’s native ... in that it is negative ... #Electrocardiogram ... #Clinical #Cardiology
This infographic provides a mnemonic tool called “WOBBLER” for assessing an ECG (electrocardiogram) in cases of
(electrocardiogram ... WOBBLER: Each letter ... • L: Left Ventricular ... segment • Epsilon #clinical ... #cardiology #differential