Asking for an ek-pro algorithm review, because it took the system 9 seconds to alarm asystole after the last qrs beat.There was a 3 second pause arrhythmia preceding the last qrs beat.Using the 1500 method that pause would equal a hr of 20 bpm.If you take into account this 3 second pause right before the last qrs beat, it took the system 12 seconds to alarm asystole.Cscs s/n is (b)(4), b450 s/n is (b)(4), fh transmitter s/n is (b)(4).