Figure 2From: Ventricular beat detection in single channel electrocardiogramsExamples of VB detection. Correctly identified normal QRS complexes and EBs marked by * and o respectively. Here, as well as in Fig. 3,4,5,6,7, the used unfiltered lead is colored blue. The VB symbols are set on the filtered black signal. The green signal is the unused lead.Back to article page