181 \\ L195 1((() "’ ,-/ JL TACHYARRHYTHMIA DETECTOR BAROREFLEX DETECTOR CARDIAC BRS —1;—§: SIGNAL SENSING ~128 ~ 455 CIRCUIT L122 1:24 118 ,./ PROCESSOR FIG’. 4 81111 / 8111 ,J 595 mg ” ,-/ TACHYARRHYTHMIADETECTOR BAROREFLEX CARDIAC SIGNAL SENSINC-828 DETECTOR CIRCUIT 828 818 8811 H ” ” 888 ,J THERAPY COMMUNICATION EXTERNAL CIRCUIT PROCESSOR CIRCUIT X DEVICE