Conditions we treat

Want to know more about the conditions we treat at Great Ormond Street Hospital (GOSH)? Just search below:

Apert syndrome

Apert syndrome is a type of complex craniosynostosis named after the doctor who first described it in the early 20th century. As well as the skull and face, the hands and feet are also affected. This page from Great Ormond Street Hospital (GOSH) explains

Read more

Aplastic anaemia

Aplastic anaemia is a serious condition affecting the blood, where the bone marrow and stem cells do not produce enough blood cells. It is also called bone marrow failure and can happen suddenly (acute) or develop over a period of time (chronic). This pag

Read more


Arrhythmias are abnormal heart rhythms, which can prevent the heart pumping efficiently. This page from Great Ormond Street Hospital (GOSH) explains how the heart beats normally, what happens when it starts to beat abnormally and how it can be treated.

Read more

Atrioventricular block

Atrioventricular (AV) block is a type of arrhythmia or abnormal heart rhythm. The passage of the electrical message travels at a different speed which can make the heart beat more slowly. There are different levels of AV block – first degree, second degre

Read more

Atrioventricular septal defect (AVSD)

An atrioventricular septal defect results in a is a large hole between the upper filling chambers (atria) and the lower pumping chambers (ventricles) of the heart. There is also only one valve between the atria and ventricles instead of two.

Read more