The present invention relates to a wearable cardioverter defibrillator (WCD) (10) and a method (60) comprising a set of electrodes (12) for placement on an individual ( 14) a mechanism for electrically connecting (16) the electrode array to the subject's skin, and at least one noninvasive physiological sensor (18, 20) configured for placement in the subject. a controller (24) monitors a noninvasive physiological sensor output (18, 20) to detect a change in an individual's health parameter that is indicative of one or more of a change in an individual's condition that may be a precursor a possible cardiac arrhythmia or a cardiac arrhythmia that occurs simultaneously. In response to the change detection, the controller (24) activates an alarm (26) to request a response from the individual (14) within a predetermined time period. In response to receiving the response from the subject within the predetermined period of time, the controller (24) inhibits the mechanism (16) of electrically connecting the electrode assembly (12) to the subject's skin. In response to failure to receive the response from the subject, the controller (24) activates the mechanism (16) for electrically connecting the electrode assembly (12) to the subject's skin.
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