f474s 3 250 75000 f474s.mat 16+24 3470/mV 16 0 592 -27739 0 II f474s.mat 16+24 3161/mV 16 0 -1417 30051 0 V f474s.mat 16+24 1619/NU 16 0 285 -30030 0 PLETH #Ventricular_Flutter_Fib #False alarm