His bundle potential detection by multichannel adaptive filtering

A method for detection of the His bundle potential (HBP) is described, which combines adaptive filter (AF) with temporal and spatial signal averaging. Some steps to deal with the nonstationa-rity of the ECG signal and a too low SNR are proposed. This method has some advantages over conventional signal averaging in rapid extraction of HBP and having the potential to get more information of the single beat activity, which is desirable in some clinical situations.