Coronary Defibrillator Overdose 
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.
EMDocs
JANUARY 8, 2024
Calcium is associated with harm but is still necessary in certain situations (hyperkalemia, calcium channel blocker overdose) (Level 3 recommendation: no benefit). With respect to timing, for cardiac arrest with a shockable rhythm, it may be reasonable to administer epinephrine after initial defibrillation attempts have failed.
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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
APRIL 29, 2020
She was never defibrillated. Angiogram --Minimal coronary atherosclerosis --No obstructive epicardial coronary artery disease or evidence of plaque rupture noted to explain prolonged QT or ventricular fibrillation cardiacarrest, suspect nonischemic mechanism Echo The estimated left ventricular ejection fraction is 45 %.
Dr. Smith's ECG Blog
DECEMBER 31, 2024
Written by Pendell Meyers A woman in her 70s with known prior coronary artery disease experienced acute chest pain and shortness of breath. Her history and ECG were interpreted as very concerning for acute coronary syndrome which might benefit from acute reperfusion therapy. KEY Points: DSI does not indicate acute coronary occlusion!
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