Welcome to the homepage of the Cardiology service at Great Ormond Street Hospital. Video of Cardio-respiratory Division at Great Ormond Street Hospital If the video is not showing, please watch it on YouTube. A video transcript is also available. About usFurther information about the Cardiology Service. Conditions we treatDiscover more about the conditions we treat. Clinics and wardsPlan ahead by reading about our clinics and wards. Meet the teamComprehensive staff list from the Cardiology Service. Clinical outcomesLearn how we measure our treatment effectiveness. ResearchFind out about Cardiology research. Contact usDetails on how to contact the Cardiology Service.