| http://www.w3.org/ns/prov#value | - a single atrial lead and a single ventricular lead operatively coupled to said defibrillator, each said lead including at least a portion composed of a conductive coil of a surface of more than 50 mm2 to permit detection of intrinsic rhythm in a respective chamber of the patient's heart, and for application of defibrillating energy shocks from said defibrillator to a respective chamber upon detect
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