Puls H, Elzinga G
Cardiovasc Res. 1978 May;12(5):316-21. doi: 10.1093/cvr/12.5.316.
An analogue device is described which is designed to analyse repetitive signals. It measures peak amplitudes, time to peak values, areas, and values at a preset time. The results can be displayed or recorded on a beat-to-beat basis, or an average can be taken over up to 31 consecutive beats.
