Instrumental techniques used in the analysis of exhaled air

Exhaled air composition changes depending on the health status of the patient, making it possible to use breath analysis for diagnosis and monitoring purposes. Despite the fact that it is not yet used in every day medical practice, it potential application could facilitate the diagnostics of various diseases such as metabolic disorders, respiratory tract and gastrointestinal diseases. Described in this paper are different application of exhaled air analysis. Additionally, currently available techniques of sample analysis are discussed, as well as their potential advantages and disadvantages.