RESULTS	Patients with rTOF and normal CMR-RVEF compensate this loss of RV outflow tract function with increased contractions of the RV-body , measured as fractional area change on short axis ( 3012 % versus 197 % , p < 0.0001 ) and on 4-chamber views ( 427 % versus 388 % , p = 0.06 ) .\