Increased Global Post‐Systolic Contraction During 1st Interstage Predicts Medium‐Term Death or Transplantation in Children With Hypoplastic Left Heart Syndrome. - Harake, Danielle; Kapravelou, Eva; Eckersley, Luke; Tham, Edythe; Colen, Timothy; Lin, Lily; Shigemitsu, Sachie; Beigh, Mirza; Moray, Amol; Khoo, Nee Scze (Echocardiography, 2025)