Fig. 4From: Intraventricular synchronism assessment by gated-SPECT myocardial perfusion imaging in cardiac resynchronization therapy. Does cardiomyopathy type influence results?Same patient, intraventricular synchronism behavior post-CRT. Compared to Fig. 3, it shows a significant reduction of dyssynchrony post-CRT.CRT cardiac resynchronization therapy, HBW histogram bandwidth, PSD phase histogram standard deviationBack to article page