The Hospital of St John and St Elizabeth is an independent hospital in St John's Wood

St John's Wood

St John's Wood is a district of north-west London, England, in the City of Westminster, and at the north-west end of Regent's Park. It is approximately 2.5 miles north-west of Charing Cross. Once part of the Great Middlesex Forest, it was later owned by the Knights of St John of Jerusalem...

, London. It is informally known as "John & Lizzie's".

It was founded in 1856 with a Roman Catholic affiliation and is a registered charity

Charitable organization

A charitable organization is a type of non-profit organization . It differs from other types of NPOs in that it centers on philanthropic goals A charitable organization is a type of non-profit organization (NPO). It differs from other types of NPOs in that it centers on philanthropic goals A...

.

In 2009 it had an income £42,671,000, making it one of the 150 largest charities in the United Kingdom.

Its profits from private healthcare are used to run St John's Hospice, located within the hospital site.

The Hospital is also the home to the London Diving Chamber, a hyperbaric decompression chamber for treating decompression sickness

Decompression sickness

Decompression sickness describes a condition arising from dissolved gases coming out of solution into bubbles inside the body on depressurization...

 (DCS) and providing other hyperbaric oxygen therapy

Hyperbaric oxygen therapy

Hyperbaric medicine, also known as hyperbaric oxygen therapy , is the medical use of oxygen at a level higher than atmospheric pressure. The equipment required consists of a pressure chamber, which may be of rigid or flexible construction, and a means of delivering 100% oxygen...

(HBOT) treatments.