ROC curve of global and RVFW deformation parameters has been plotted for differentiating HCM patients with RV dysfunction. (A) ϵsys global RV; (B) ϵsys RVFW; (C) SRsys global RV; (D) SRsys RVFW; (E) SRe global RV; (F) SRe RVFW; (G) SRa global RV; and (H) SRa RVFW.