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Defibrillateurs Defibrillation is a treatment for lifethreatening cardiac dysrhythmias, specifically ventricular fibrillation (VF) and nonperfusing ventricular tachycardia (VT) A defibrillator delivers a dose of electric current (often called a countershock) to the heartAlthough not fully understood, this process depolarizes a large amount of the heart muscle, ending the dysrhythmia Addeddate Identifier TROUBLESDURYTHMEETDELACONDUCTION Identifierark ark//t24b6mh3x Ocr ABBYY FineReader 90 Ppi 300 Scanner Internet Image défibrillateur cardiaque