Real time P-wave detector based on wavelet analysis

In ECG signals processing it is sometimes necessary to determine the timing of different ECG segments in real time, i.e. in the shortest time after they appeared in the signal. A typical example is P-wave synchronized pacing (heart stimulation synchronized with the P-wave). We used multistage methodology enabled by wavelet transform to delineate the ECG signal and develop a sensitive (98.5%) and reliable P-wave detector.