Fig. 4
A 24-year-old woman presenting with dyspnoea on exertion who had a history of exercise intolerance since childhood. Axial steady-state free precession cine MR images of the heart obtained at diastole showing an enlarged right atrium (RA) and right ventricle (RV), normal anatomical location tricuspid valve annulus and proximal portion of the anterior leaflet (arrowhead), inferiorly displaced septal leaflets (arrow) and leftward septal bowing of the atrialised right ventricle (arrows), which was accentuated during systole. The cause is an increase in right-sided blood volume and pressure. The tricuspid valve regurgitation rate calculated for this patient was 57% (not shown)