A<unk>  is a type of<unk>  performed on air generated from the act of exhalation. Types include: *Breathalyzer – by far the most common usage of this term relates to the legal<unk>  to determine if a person is driving under the influence of alcohol. *Hydrogen<unk>  – it is becoming more and more common for people to undertake a medical<unk>  for clinical diagnosis of dietary disabilities such as fructose intolerance, fructose malabsorption, lactose intolerance and lactulose intolerance. *The presence of Helicobacter pylori (in peptic ulcer disease) can be<unk> ed for with the urea<unk> . *Exhaled nitric oxide is a<unk>  that might signal airway inflammation such as in asthma.<unk> s for diseases have been developed for early detection of lung cancer, breast cancer, pulmonary tuberculosis and many others, to serve as an adjunct to existing medical<unk> s. A trial will commence at Addenbrooke's Hospital in Cambridge, England to confirm the efficacy of these<unk> s. Phase II and Phase III clinical studies by Menssana Research, Inc. in The United States are also under way.
Breath test
Post bronchodilator test
Air displacement plethysmography
Breath analysis
Structured light plethysmography
Lung float test
Hyperoxia test
Optoelectronic plethysmography