Ophthalmology is to do with the eye and eye diseases such as cataracts. Oral surgery is surgery on the mouth, jaw and teeth. Gynaecology is to do with the organs of the female reproductive system. Cardio-thoracic surgery is to do with surgery on the heart. An example is an operation to by-pass a blocked blood vessel to the heart.
Cardiology relates to diseases of the heart such as angina or heart failure.
Paediatric surgery is to do with surgery on children. Common examples are hernia repair and operations on testicles that have not dropped. The summary table on pages 8 and 9 also gives a figure for all treatments, including those not separately covered in the tables. The Patient's Charter says that if you have to visit an outpatient clinic, you should have your first appointment within six months. People who need urgent treatment are given appointments very quickly.