2019 AFIB Tachycardia 
Dr. Smith's ECG Blog
JANUARY 9, 2024
She had a single chamber ICD/Pacemaker implanted several years prior due to ventricular tachycardia. Answer : The ECG above shows a regular wide complex tachycardia. Said differently, the ECG shows a rather slow ventricular tachycardia with a 2:1 VA conduction. Cardiac output (CO) was being maintained by the tachycardia.
Dr. Smith's ECG Blog
DECEMBER 13, 2024
The 2019 ESC Guidelines for the management of patients with supraventricular tachycardia indicated that IV Amiodarone should not be considered in these populations. KEY Point: Nothing other than AFib with WPW results in a ventricular response this fast ( which is why Figure-2 is pathognomonic for AFib in a patient with WPW ).
Dr. Smith's ECG Blog
APRIL 23, 2019
Or are they due to ventricular tachycardia (VT). Within about an hour, he spontaneously converted to sinus rhythm: == My Comment by K EN G RAUER, MD ( 4/23/2019 ): == Interesting rhythm — in which the tachycardia alternates from a wide to narrow QRS complex. There are no P-waves. Sinus P waves are absent.
Dr. Smith's ECG Blog
DECEMBER 23, 2019
Initial ECG in the ED: Presenting ECG : Wide-complex tachycardia at a rate about 200. This is overwhelmingly likely to be ventricular tachycardia, even if only age and medical history are considered. Nevertheless, the widths of both the QRS complex and the RS duration are similar in both the old ECG and the tachycardia.
Dr. Smith's ECG Blog
JANUARY 5, 2020
Multifocal Atrial Tachycardia 2. IJC Heart and Vasculature 25(2019). AFib is the irregularly irregular rhythm that is most commonly confused with MAT — and , AFib is much, much, much more common than true MAT. The rhythm is indeed irregularly irregular, so atrial fibrillation must be considered. GET a 12-lead!
Dr. Smith's ECG Blog
MARCH 11, 2020
These 5 parameters are easily remembered by the saying, “Watch your Ps, Qs & the 3 Rs” ( See My Comment in the October 16, 2019 post ). Therefore — the rhythm in ECG #1 is almost certain to be AFib ( A trial F ibrillation ) , seen here with a “rapid” ventricular response. The rhythm in Figure-1 is fast, and irregularly irregular.
Ken Grauer, MD
FEBRUARY 28, 2023
The ECG and long lead II rhythm strip in Figure-1 — was obtained from a COVID positive patient with persistent tachycardia not responding to Diltiazem. Figure-1: The initial ECG — obtained from a patient with persistent tachycardia. ( How would YOU interpret this tracing? How to manage the patient?
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