Patent ID: 11877854
Assignee: ZOLL MEDICAL CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A wearable medical device for detecting and treating life-threatening arrhythmias comprising:
a wearable vest portion configured to be worn by a patient;
a cardiac monitor;
a plurality of sensing electrodes configured to monitor the patient's ECG signal;
a plurality of therapy pads configured to provide a treatment shock to the patient; and
at least one motion sensor disposed on at least one of the wearable vest portion or the cardiac monitor;
wherein the cardiac monitor is in communication with the plurality of sensing electrodes, the plurality of therapy pads, and the at least one motion sensor, and wherein the cardiac monitor is configured to
detect whether the patient is experiencing a treatable arrhythmia using the ECG signal;
in response to detecting that the patient is experiencing a treatable arrhythmia, determine a confidence level for the detected treatable arrhythmia using outputs from the at least one motion sensor,
wherein determining the confidence level comprises detecting patient motion prior to the detection of the treatable arrhythmia, and
wherein determining the confidence level further comprises increasing the confidence level in response to determining that the patient is motionless coinciding with the detection of the treatable arrhythmia, or decreasing the confidence level in response to determining the patient motion after the detection of the treatable arrhythmia, and

determine whether to deliver a treatment shock to the patient via the plurality of therapy pads based on the confidence level.