electrocardiogram displaying supraventricular tachycardia, 3d

supraventricular tachycardia ecg pattern conceptual node impulse contraction regular beat function tracing monitoring abnormal waveforms rhythms sinus variability heart rate conduction monitor abnormalities analysis rhythm biological 3d illustration health medical disease medicine diagnostic cardiac condition electrical pulse graph electrocardiogram heartbeat anomalies cardiology healthcare disorder qrs plain background