Fig. 2From: Use of self-gated radial cardiovascular magnetic resonance to detect and classify arrhythmias (atrial fibrillation and premature ventricular contraction)Example of loss of detection of a PVC beat after filtering step. We can qualitatively see (Image a) that the patient had a PVC beat (black arrow head). However, after the filtering step (Image b), the PVC beat was not automatically detected (detected valleys = green stars)Back to article page