Patent ID: 9456778
Filing Date: 2016-10-04
CPC Classification: A61B,A61N,H03G

Claim Text:
1. A wearable medical device, comprising: at least one sensing electrode configured to sense a cardiac signal of a patient; an acquisition circuit, operatively coupled to the at least one sensing electrode, configured to process the cardiac signal; and a signal conditioning and control unit, operatively coupled to the acquisition circuit, configured to monitor the cardiac signal during processing by the acquisition circuit and mark one or more portions of the cardiac signal as compromised to prevent misdetection of the cardiac signal by the wearable medical device, wherein the marking is based on one or more predetermined clipping thresholds for the cardiac signal; wherein the acquisition circuit comprises at least one programmable attenuation/gain stage; wherein the signal conditioning and control unit comprises an automatic level control unit to vary an amount of attenuation/gain provided by the at least one programmable attenuation/gain stage; and wherein the signal conditioning and control unit is configured to temporarily disable functionality of the automatic level control unit responsive to marking one or more portions of the cardiac signal as compromised.