Defibrillator Dysrhythmia Pulmonary 
Dr. Smith's ECG Blog
JANUARY 2, 2025
CT of the chest showed no pulmonary embolism but bibasilar infiltrates. Because she has cardiomyopathy and ventricular dysrhythmias, the pacer included an Implanted Cardioverter-Defibrillator (ICD) Echo 6 days later after CRT: Normal estimated left ventricular ejection fraction. She was intubated. No wall motion abnormality.
Dr. Smith's ECG Blog
OCTOBER 10, 2022
It was reportedly a PEA arrest; there was no recorded V Fib and no defibrillation. The morphology of V2-V4 is very specific in my experience for acute right heart strain (which has many potential etiologies, but none more common and important in EM than acute pulmonary embolism). CT angiogram showed extensive saddle pulmonary embolism.
Dr. Smith's ECG Blog
APRIL 8, 2016
Bedside ultrasound showed no effusion and moderately decreased LV function, with B-lines of pulmonary edema. At cath, he immediately had incessant Torsades de Pointes requiring defibrillation 7 times and requiring placement of a transvenous pacer for overdrive pacing at a rate of 80. Could the dysrhythmias have been prevented?
Dr. Smith's ECG Blog
MARCH 6, 2025
Sinus tach is often misinterpreted as a dysrhythmia. Second , when you have a rhythm problem, you are likely to be able to fix the problem with electricity (cardioversion, defibrillation, pacing). They often have good ejection fraction and tolerate the dysrhythmia quite well. 2) PSVT with "aberrancy" (atypical RBBB+LAFB).
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