Wiener klinische Wochenschrift
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In the year 2000, new international guidelines for cardiopulmonary resuscitation (CPR) were published by the American Heart Association, and the European Resuscitation Council. These guidelines are evidence-based, indicating that these recommendations are based primarily on interpretation of data from clinical studies. Levels of recommendation range from class I (proven safe and useful), class IIa (intervention of choice), IIb (alternative intervention), indeterminate (research stage), and class III (unacceptable, no benefit). ⋯ If 1 mg epinephrine fails to be effective in adult patients with pulseless electrical activity or asystole, 1 mg atropine can be administered (class indeterminate). Regarding antiarrhythmic drugs, 300 mg amiodarone (class IIb) showed the best results in shock-refractory ventricular fibrillation. The postresuscitation phase has the goal to achieve the best possible neurological performance after return of spontaneous circulation, which requires careful optimization of organ functions.