AFIB Pacemaker 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.
Cardiomatics
APRIL 5, 2024
Interpreting the waves and detecting abnormalities: Typically, the heart conducts electricity in a pathway starting in the sinoatrial node (SA), our heart’s “natural pacemaker”, located in the wall of the right atrium. Sinus tachycardia – sinus rhythm above 100 bpm is a sinus tachycardia.
Dr. Smith's ECG Blog
JULY 5, 2018
We admitted him for probable EP study and possible pacemaker. He underwent pacemaker placement and is doing fine. SSS is by far the most common reason for permanent pacemaker placement. New slow AFib reflects a combination of these rhythm problems. But description of a patients rhythm simply as, AFib is incomplete.
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. ( MAT is not a Wandering Pacemaker. How would YOU interpret this tracing?
Dr. Smith's ECG Blog
JANUARY 5, 2020
Multifocal Atrial Tachycardia 2. MAT has at least 3 distinct P-wave morphologies, but there is no single dominant pacemaker (i.e., AFib is the irregularly irregular rhythm that is most commonly confused with MAT — and , AFib is much, much, much more common than true MAT. Sinus with multifocal PACs 3. GET a 12-lead!
Ken Grauer, MD
JULY 9, 2023
ECG Blog #200 — for an example of Wandering Atrial Pacemaker. ECG Blog #71 — Regarding the Ashman Phenomenon with AFib. The September 30, 2019 post in Dr. Smith’s ECG Blog — for an example of “MAT”, but without the tachycardia. ECG Blog #289 — Review of U wave recognition ( and low K+/Mg++).
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