Our hospital services Use the A to Z tool to find out more about our hospital services H Haemophilia and haematology service Description The haemophilia and haematology centre provides care for children with inherited bleeding disorders. Having an operation Description Our pre-assessment clinic makes sure that children are fit to have an operation. Watch our helpful pre-assessment and operation day videos. Hearing implant centre Description Our hearing implant team offers a range of hearing implants for children and adults who do not benefit from conventional hearing aids. Hearing therapy Description About our hearing therapy service, providing support to children with hearing loss and their families. Heart services (cardiology) Description Our heart (cardiology) services deal with the diagnosis and treatment of all kinds of children's heart problems. 1 to 5 of 5 Travelling to Evelina London Our wards Our community services