The day surgery unit at Birmingham's Queen Elizabeth Hospital treats around 100 patients every day. Bed 40 is allocated to mum of two Lisa, who aged just 44 is having a new battery fitted to her pacemaker. She was born with a heart defect which, if undiscovered, would have caused a fatal heart attack.Bed 15 in Newcastle's Royal Victoria Infirmary welcomes 28-year-old Lee, who has bite marks from a night out. His eight-year-old son Mason is a regular visitor to The Great North Children's Hospital because he has an ongoing condition with pressure on his brain. Mason and mum Michaela provide bed support.In the Great North's Children's Hospital, bed 27 welcomes a four-year-old who has recently been extremely ill. Parents Sarah and Mark have rushed young Thean to the emergency department with stomach pain. Less than a month ago his life was at risk when he suffered a life-threatening bowel blockage and they are worried that the same thing has happened again.Back in Newcastle's Royal Victoria Infirmary A&E department, 30-year-old Emma arrives with a numb feeling in her arms and face. Doctors check for any critical illnesses such as a stroke, MS or pressure on the brain.In the Great North Children's Hospital in Newcastle, bed 27's next patient is seven-year-old Brandon. His face has swollen after being hit by a swing. Doctors fear he may have broken his cheek bone.