A method for cardiac defibrillation is described, for use with an implanted defibrillator. A patient's R-waves are sensed to detect the R-R intervals. If an arrhythmia is detected, the charging of a capacitor is commenced. Determination are made whether the arrhythmia is still in progress and whether...http://www.google.fr/patents/US4949719?utm_source=gb-gplus-shareBrevet US4949719 - Method for cardiac defibrillation