what is the recomeded energy level for defibrilation, 100, 200, 300, 400, what is the recomended raito for a one person responder, 5:1, 2:15, 30:2, 1:1, How much oxygen should you use, 2 litres per minute, 6 litres per minute, 15 litres per minute, 21% until saturation obtained, which rythms are suitable for defibrilation, sinus rate 100, atrial fibrilation rate 100, Ventricular fibrilation, asystole

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