A defibrillator incorporates an analyser (2) arranged to receive signals from a patient's heart (such as from electrode pads (6) placed on the patient's chest). A charging circuit (4) enables the electrodes (6) to deliver a charge from the charging circuit to the patient. The analyser is arranged to...http://www.google.fr/patents/US7277753?utm_source=gb-gplus-shareBrevet US7277753 - Defibrillator