Ken Grauer, MD
NOVEMBER 25, 2023
Because of underlying sinus arrhythmia — the P wave in front of beat #6 occurs at an opportune time, and is able to conduct to the ventricles. Section 2F ( 6 pages = the " short " Answer ) from my ECG-2014 Pocket Brain book provides quick written review of the AV Blocks ( This is a free download ).
Ken Grauer, MD
OCTOBER 13, 2023
With P waves labeled — Isn't it now much easier to appreciate that the atrial rhythm is quite regular ( with no more than a slight sinus arrhythmia )? P utting I t A ll T ogether : The precise mechanism of today's arrhythmia is complex and difficult to determine. For those with a special interest in cardiac arrhythmias — READ ON! —
Ken Grauer, MD
NOVEMBER 18, 2023
Section 2F ( 6 pages = the " short " Answer ) from my ECG-2014 Pocket Brain book provides quick written review of the AV Blocks ( This is a free download ). Section 20 ( 54 pages = the " long " Answer ) from my ACLS-2013-Arrhythmias Expanded Version provides detailed discussion of WHAT the AV Blocks are — and what they are not !
Open Heart
APRIL 7, 2022
Devices were programmed to detect non-sustained brady- or tachy-arrhythmias. This provided comprehensive rhythm surveillance and automatic downloads of all detections to a monitoring station for cardiology interpretation. None died and no arrhythmias longer than 30s duration occurred during 3-year follow-up.
Ken Grauer, MD
SEPTEMBER 29, 2023
KEY Point: When most beats in an arrhythmia are regular, but some are not — the best CLUE to interpretation often resides in looking for a “ break ” in the rhythm ( such as is seen between beats #13 and 14 in Figure-2 ). This is a free download ). The presence of Group beating.
Ken Grauer, MD
MAY 11, 2024
With 2nd- or 3rd-degree AV block — the atrial rate should be regular ( or at least almost regular — if there is an underlying sinus arrhythmia ) — but it should be clear from the timing of the RED arrows in Figure-2 — that no on-time P wave occurs between beats #1-2; #3-4; #5-6; #7-8; #9-10; #11-12.
Ken Grauer, MD
MARCH 29, 2023
While medical trial of an antiarrhythmic agent can at times be undertaken ( assuming the clinician remains at the bedside throughout the process ) — synchronized cardioversion is often favored for treatment of AFib with WPW, given the exceedingly rapid ventricular response with this arrhythmia. What do YOU see?
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