| CPC A61N 1/36564 (2013.01) [A61M 60/178 (2021.01); A61M 60/232 (2021.01); A61M 60/34 (2021.01); A61M 60/515 (2021.01); A61M 60/531 (2021.01); A61M 60/546 (2021.01); A61N 1/3629 (2017.08); A61N 1/37223 (2013.01)] | 18 Claims |

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1. A system for cardiac function assistance comprising:
an implanted cardiac pacemaker or other implanted cardiac rhythm management device, wherein the implanted device has a plurality of operating parameters including pacing rate and is configured to be implanted in a person;
a wearable device configured to be worn by the person, wherein the wearable device comprises an arcuate array of biometric sensors, the arcuate array of biometric sensors comprises a plurality of light emitters and light receivers;
a plurality of actuators, wherein a subset of actuators in the plurality of actuators tilts, rotates, raises, or lowers light receivers in the plurality of light receivers in order to maintain a selected distance and/or selected angle between the light receivers and the surface of the person's body,
wherein the implanted device and the wearable device are in wireless communication with each other, either directly or through an intermediary device, and
wherein one or more of the operating parameters of the implanted cardiac pacemaker or other implanted cardiac rhythm management device are automatically adjusted based on analysis of data from the biometric sensors.
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