In These Standards Is Accepted That Reasonable Point

In These standards is accepted that reasonable point of the end for maneuver Measurements of streams on a breath and an exhalation absence true is The stream terminations (that is, the barrier of an air line is present) - 15 seconds. Patients often ahead of schedule stop the forced exhalation because of Discomfort. The changed technics (various tests), at which patient Exhales with the maximum force within 3 seconds, are accompanied Long changes of time and force of an exhalation. Necessity of spirometric researches In 2000 the Education program National Health of Lungs in the USA (NLHEP) have offered the initiative on identification Approximately 13 million Americans from not diagnosed chronic Obstructive pulmonary illness (COPD), carrying out on 2 Groups of patients-(1) 45 years also are more senior, at those who actively smokes and Given up smoking one year prior to research and - - (2) at 25 summer persons Or is more senior, which have signs of diseases of lungs and bronchial tubes (For example, cough, rattles, noisy breath, a short wind, etc.