| 摘要 |
The pacing system disclosed herein involves both an implantable, battery-powered heart stimulating unit and an external, patient-operable overdriver unit. Responsive to the application of the external unit, the implanted unit switches from an inhibit mode to a synchronous mode in which it is responsive to and tracks signals generated by the external unit thereby to apply externally selectable stimulation sequences for the treatment of tachycardia-type arrhythmias.
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