ecg atrial-pacemaker 
Ken Grauer, MD
MARCH 1, 2024
I was sent the 2 ECGs shown in Figure-1 — which were recorded from an elderly man whose heart beat "has been irregular for years". Regarding the 2 ECGs in Figure-1 : ECG #1 is the initial tracing obtained at the scene by the EMS ( E mergency M edical S ystems ) team — in association with an alert but markedly hypotensive patient.
Ken Grauer, MD
OCTOBER 27, 2023
The ECG in Figure-1 was obtained from an elderly woman — who presented to the ED ( E mergency D epartment ) for dyspnea on exertion over recent weeks. Figure-1: The initial ECG in today's case. ( To improve visualization — I've digitized the original ECG using PMcardio ). What are YOUR "Quick Thoughts" about this case?
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Ken Grauer, MD
JANUARY 20, 2024
I was sent the tracing shown in Figure-1 — told only that this was a preoperative ECG obtained from an asymptomatic older woman scheduled for non-cardiac surgery. How would YOU interpret this ECG? Figure-1: Preoperative ECG from an asymptomatic older woman scheduled for non-cardiac surgery. The 12-lead ECG is very concerning.
Dr. Smith's ECG Blog
JANUARY 13, 2024
Written by Willy Frick A man in his 70s with a history of HFrEF and sick sinus syndrome s/p dual chamber pacemaker placement was admitted for overnight observation following outpatient placement of a mitral valve clip. The next morning, the following ECG was obtained. This is unambiguous evidence of pacemaker malfunction.
Ken Grauer, MD
OCTOBER 13, 2023
The ECG in Figure-1 was obtained from a woman in her 60s — who was seen in the ED ( E mergency D epartment ) as part of her evaluation for trauma following a motor vehicle accident. Is a pacemaker needed? Figure-1: The initial ECG in today's case. Doesn't this make it easier to see that the atrial rhythm is regular?
Dr. Smith's ECG Blog
APRIL 2, 2024
Here is the initial ED ECG. So it must be atrial fibrillation. Answer : it is irregularly irregular and the initial part of the QRS is fast, so this is atrial fibrillation with Left Bundle Branch Block (LBBB). Pacemaker mediated tachycardia! Bedside ED ultrasound showed exceedingly poor global LV function, and no B lines.
Dr. Smith's ECG Blog
FEBRUARY 18, 2024
Written by Willy Frick A woman in her 90s with a history of end stage renal disease and complete heart block status post dual chamber pacemaker presented from home with acute onset dyspnea. ECG is shown below. In this case, it is atrial fibrillation. This ECG actually has even more baseline wander than the first.
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