Fibrillation and Defibrillator. Engr. Hinesh Kumar. History. Defibrillation was invented in 1899 by Prevost and Batelli, two Italian physiologists. They discovered that electric shocks could convert ventricular fibrillation to sinus rhythm in dogs.
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Fibrillation and Defibrillator
Engr. Hinesh Kumar
Lown Defibrillator Waveform
Calculate the energy stored in a 16-µF capacitor that is charged to a potential of 5000 V dc.
fig: Electrodes used in defibrillator (a) a spoon shaped internal electrode that is applied directly to the heart. (b) a paddle type electrode applied against the anterior chest wall.
Fig.- Pad electrode