Fernando Schlindwein Porcupine 

The 3D representation of the left atrium with the dominant frequencies (colour scale) of activation and their power (length of the white bristles) in real time inform doctors on a strategy for ablation of sites that are source of cardiac arrhythmias. Ablating those sites cures the arrhythmia. Frequencies were in the interval 4.5 Hz – 10 Hz.