'Wriskwatch' may predict cardiac arrest

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A possible breakthrough in the detection of ‘pulselessness’–otherwise known as sudden cardiac arrest–is a wristwatch type device presently in trial.  In most patients participating in the phase I trial of Emergency Medical Technologies’ ‘Wriskwatch’, it correctly signaled artificially induced pulselessness, though it had a false-positive rate of about 10%.  The device incorporates a piezoelectric disk attached to a wristwatch type band that secures it to the bottom of the wrist and transmits a Bluetooth radio signal at the onset of ‘pulselessness.’ Awaiting FDA and Patent Office approvals.   MedPage Today (article); study at HeartRhythm, the journal of the Heart Rhythm Society.