<unk>  (DVOT) is a way of delivering high flow<unk><unk>  using a device that only delivers<unk>  when the patient breathes in and shuts off when they breathe out. DVOT is commonly used to treat conditions such as cluster headache, which affects up to four in 1000 people (0.4%), and is a recommended first aid procedure for several diving disorders. It is also a recommended prophylactic for decompression sickness in the event of minor omitted decompression without symptoms.
Demand valve oxygen therapy
Balloon pulmonary angioplasty
Percutaneous pulmonary valve implantation
Resuscitative endovascular balloon occlusion of the aorta
Remote surgery
Pulmonary tractotomy
Carotid endarterectomy
Arteriotomy