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Ken Grauer, MD
MARCH 27, 2024
This leaves us with the usual differential diagnosis for this rhythm presentation ( as per ECG Blog #361 ) ==> We need to consider i ) VT until proven otherwise: ii ) SVT with either preexisting BBB or aberrant conduction; — or , iii ) Something else ( ie, WPW, hyperkalemia, some other toxicity, etc. ). What Kind of Conduction Defect?
Ken Grauer, MD
JUNE 22, 2024
And as per ECG Blog #350 — this could represent Wellens ' Syndrome IF this chest lead T wave inversion was new and occurred in a patient who initially had a normal ECG, and then had an episode of transient CP that had resolved at the time this ECG with chest lead T wave inversion was recorded.
Ken Grauer, MD
NOVEMBER 10, 2023
For full discussion of this case — See ECG Blog #220 — == The long lead II rhythm strip shown in Figure-1 was obtained from an 51-year-old man who presented to the ED ( Emergency Department ) with "palpitations" that began 1 hour earlier. Figure: Use of the "3 Simple Rules" for distinction between SVT vs VT ( taken from ECG Blog #196 ).
Ken Grauer, MD
OCTOBER 10, 2024
I say this for the simple reason that to pick any of the above 4 choices — is to imply with 100% certainty that you know the answer ( or, as is implied in the title of today’s Blog post — this would be premature closure). ECG Blog #240 — The regular SVT. ECG Blog #229 — Why is AFlutter so commonly overlooked? s in Figure-2 ).
Ken Grauer, MD
MAY 31, 2024
PEARL # 1: As I emphasize in ECG Blog #148 ( from where I took the tracing I show in Figure-3 ) — the BEST way to prove artifact — is to recognize persistence of an underlying spontaneous rhythm that is unaffected by any erratic or suspicious deflections that are seen. Figure-3: I've reproduced this tracing from ECG Blog #148 ( See text ). =
Ken Grauer, MD
APRIL 20, 2024
As is also emphasized often in this ECG Blog — spontaneous reperfusion of the "culprit" artery is common — and, IF this occurs before a 2nd ECG is done, ST-T wave changes may "look better" ( See References to related Blog posts below ). ECG Blog #294 — Reviews how to tell IF the " culprit " artery has reperfused.
Ken Grauer, MD
JUNE 27, 2024
As discussed in ECG Blog #231 — Bidirectional VT is a special form of VT, in which there is beat-to-beat alternation of the QRS axis. See My Comment in the June 1, 2020 post in Dr. Smith's ECG Blog — for review of Pleomorphic VT. Multifocal vs Polymorphic VT — September 23, 2011 post from Dr. S.
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