... 3.5-inch color TFT touch-screen, 320*240 pixels, friendly operation interface.Display the output waveforms ... ,60,80,100,120,140,160,180,200,220,240,260,280,300,320,340 and 350 BPMECG artifacts ... (coarse), Vent Fib (fine), Premature Ventricular Contraction (PVC) 6/min,PVCs 12/min, PVCs 24/min, Freqent ... , 60, 80, 100, 120, 140, 160, 180, 200, 220, 240, 260, 280, 300, 320, 340 and 350 BPMThe accuracy of ...