Atrial Flutter Defibrillator Tachycardia 
Frontiers in Cardiovascular Medicine
APRIL 3, 2025
Primary endpoint was the incidence of patients with new onset supraventricular arrhythmia (AF, atrial flutter or any supraventricular tachycardia) lasting >30s, post PFO closure.ResultsA total of 59 patients met the inclusion criteria.
Ken Grauer, MD
MARCH 23, 2023
She underwent cardiopulmonary resuscitation for VT/VFib — with ROSC ( R eturn O f S pontaneous C irculation ) following defibrillation and treatment with Epinephrine and Amiodarone. PEARL # 3: At this point — the most time-efficient step for solving today's rhythm will be to determine the nature of atrial activity.
Dr. Smith's ECG Blog
DECEMBER 20, 2024
Here is a representative CXR from a different patient showing a typical CRT-D The blue dotted line overlies the right atrial lead The red dotted line overlies the RV lead. This is the shock coil and identifies this device as a defibrillator. CRT-D is cardiac resynchronization therapy with defibrillation capability, like the CXR above.
Dr. Smith's ECG Blog
MARCH 6, 2025
Smith comments : Wide complex tachycardia. The differential diagnosis of WCT is: 1) Sinus tachycardia with "aberrancy" (in this case RBBB and LAFB), but there are no P-waves and the QRS morphology is not typical of simple RBBB/LAFB. Also, if the rate is constant, not wavering up and down, it is highly unlikely to be sinus tachycardia.
Dr. Smith's ECG Blog
FEBRUARY 6, 2025
During observation in the ED the patient had multiple self-terminating runs of Non-Sustained monomorphic Ventricular Tachycardia (NSVT). This patient very likely has some form of idiopathic ventricular tachycardia. Of the ventricular outflow tract tachycardias (RVOT-VT) makes up 80-90%.
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