2024 Coronary Defibrillator 
Dr. Smith's ECG Blog
JUNE 27, 2024
A patient had a cardiac arrest with ventricular fibrillation and was successfully defibrillated. The proof of this is that only 5% of patients enrolled had acute coronary occlusion. Coronary Angiography after Cardiac Arrest without ST-Segment Elevation. This study failed to do so. 5% vs. 58%!!
Dr. Smith's ECG Blog
JULY 25, 2024
He was defibrillated into VT. He then underwent dual sequential defibrillation into asystole. But cardiac arrest is a period of near zero flow in the coronary arteries and causes SEVERE ischemia. See these related cases: Cardiac arrest, defibrillated, diffuse ST depression and ST Elevation in aVR. They started CPR.
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Dr. Smith's ECG Blog
OCTOBER 20, 2024
The ST segment changes are compatible with severe subendocardial ischemia which can be caused by type I MI from ACS or potentially from type II MI (non-obstructive coronary artery disease with supply/demand mismatch). The arrhythmia spontaneously converted before defibrillation was achieved. This is an ominous sign.
Dr. Smith's ECG Blog
SEPTEMBER 29, 2024
In other words: 1) infarct of the LAD territory (much of which could be old) and 2) inferior-posterior-lateral infarct. == MY Comment , by K EN G RAUER, MD ( 9/27 /2024 ): == I found today's case insightful for a number of reasons. See Discussion in the June 29, 2024 post of Dr. Smith' ECG Blog ).
Dr. Smith's ECG Blog
JUNE 14, 2024
He underwent coronary angiography which showed severe multivessel disease, and he agreed to proceed with workup for CABG. The rhythm terminated before it could be captured on 12-lead. . == MY Comment , by K EN G RAUER, MD ( 5/30 /2024 ): == I was not taught about artifact in medical school.
Dr. Smith's ECG Blog
JULY 21, 2024
It shows a proximal LAD occlusion, in conjunction with a subtotally occluded LMCA ( Left Main Coronary Artery ). Upon contrast injection of the LMCA, the patient deteriorated, as the LMCA was severely diseased and flow to all coronary arteries ( LAD, LCx and RCA ) was compromised. He was taken immediately to the cath lab.
Dr. Smith's ECG Blog
SEPTEMBER 16, 2024
After resuscitation and defibrillation , there were no more episodes of TdP. A coronary angiogram was done that did not show significant coronary artery disease. A coronary angiogram was done that did not show significant coronary artery disease. Below is the patient’s 12 lead ECG following defibrillation.
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