Callum Cartlidge collapsed the day after his eighth birthday after being discharged and sent home A critically ill boy was failed by hospital staff who discharged him without a blood test hours before he fatally collapsed at home, a coroner has said. Callum Cartlidge, described as a friendly, smiley child, died the day after his eighth birthday. He suffered a cardiac arrest at home in Redditch, Worcestershire, on March 3, 2017.