An ECG recorder and playback unit which includes software-implemented digital signal processing filters which include a method for generating a heart rate variability (HRV) and late potential measurements. The HRV method includes playing back the ECG data on the playback unit and a defining a reference...http://www.google.es/patents/US5503159?utm_source=gb-gplus-sharePatente US5503159 - Method for enhancement of late potentials measurements
Method for enhancement of late potentials measurements
