... disease with 12-lead Perfect time domain, frequency domain, and nonlinear HRVanalysis Perfect ECG database management systemTechnical parameters ... ECG box (patient isolation and data acquisition) 12 Lead ECG cable Sample rate ... standard ECGNine functions12-lead ECG with auto interpretation ,High frequency ECG,FCG,VLP,VCG,QT dispersion ,TVCG,HRVClick ...