Patent ID: 8731644

Claim:
An electrocardiograph (ECG) device, comprising: a) a plurality of ECG electrodes adapted to receive respective cardiac signals from the body of a subject; b) a plurality of electronic signal channels (ESCs) electrically connected to selected ones of the plurality of electrodes and adapted to provide ECG voltage signals corresponding to the cardiac signals; c) an analog-to-digital converter (ADC) operatively connected to the plurality of ESCs and adapted to: i) receive a selection of one of the ESCs; ii) capture a plurality of time-separated samples of the ECG voltage signal from the selected ESC; and iii) provide a plurality of digital values corresponding to the captured plurality of time-separated samples from the selected ESC; d) a firmware storing an algorithm for a burst sampling technique; e) a control unit responsive to the algorithm and adapted to: i) provide successive selections of the ESCs to the ADC, so that respective pluralities of digital values are provided for each ESC; ii) process the respective pluralities of digital values to provide a respective interpolated digital value for each ESC, wherein the respective interpolated digital value for each of the ESCs is interpolated to a common selected reference time; and iii) process each of the respective interpolated pluralities of digital values through a high order FIR filter using convolution techniques, so that noise is reduced; f) a power unit for providing electrical power to the control unit; and g) a user interface module coupled to the control unit.