SDN Members don't see this ad. (About Ads) I was hoping someone could answer a few of my questions regarding these pediatric subspecialties (critical care and cardio). As I am very interested in both. 1.) What fellowship programs are considered top notch for training pediatric intensivists? cardiologists? and 2.) Is there a good amount of utility in being boarded in both fields through joint-fellowships that are currently available in a 5y time period? Would I be crazy to consider this? Thanks.