Fig. 1From: Invasive cardiovascular magnetic resonance (iCMR) for diagnostic right and left heart catheterization using an MR-conditional guidewire and passive visualization in congenital heart diseaseIn vitro phantom testing in a cardiac model (right) filled with normal saline and a 6F gadolinium-filled balloon wedge catheter to determine the ideal flip angle (FA)-partial saturation (pSAT) angle combination for interventional cardiovascular magnetic resonance (iCMR) procedures. Yellow Box– ideal FA-pSAT angle combination for visualization of the balloonBack to article page