The purpose of this study was to evaluate whether the 12-lead ECG could be substituted by ECG sets with a limited number of leads. Materials and methods: The performance of three ECG systems (ie ...

It was tested in a prospective, single-blind study of 200 heart patients against the standard traditional 12-lead EKG ...

One can either use calculated sums of the amplitudes of QRS complexes of all 12 leads ... that the use of the ECG along these lines in the care of patients with CHF will lead to further progress.