... perfect printout Diagnosis of coronary heart disease with 12-lead Perfect time domain, frequency domain, and nonlinear HRVanalysis ... :12bit Receiver power :5.0V (DC) Lead:12 lead standard ECGNine functions12-lead ECG with auto interpretation ,High frequency ECG,FCG ... ,VLP,VCG,QT dispersion ,TVCG,HRVClick Times: 4077 Recorded time:2008-7-11 ...