Accurate and Rapid QRS Detection for Intelligent ECG Monitor

The QRS complex detection technique for intelligent ECG monitor was presented. Firstly, the pretreatment of ECG data including the rejection of 50Hz power-line interference and the removal of baseline wander was focused on. Afterwards, the method combining the differential threshold method and the amplitude detection method was introduced for localization of R-waves. The improved Tompkins differential method served as the measuring method of QRS duration. Experimental results using records from MIT-BIH arrhythmia database indicated these methods were feasible and reliable. Eventually, the accurate and rapid QRS detection technique was simply implemented and performed well in practice.