70 It Is Constant In A Stage I: FEV1

70 it is constant in a stage I: FEV1 ™ 80 % from settlement, after application . In a stage II: 50 % © FEV1 <80 % Estimation of the respiratory Functions of the bronho-pulmonary device (PFT, =Spirometry) now The tool of an estimation and diagnosing of many is standard Diseases of lungs. Under recommendations of experts on COPD consider that PFT Should be has been executed at any patient who has history Risk factors on COPD (for example a tobacco smoke, a professional dust / , etc.), history of chronic illness of respiratory organs, signs Chronic cough, or . PFT research of functions bronho-pulmonary Systems are included by set of tests and their updatings. I will notice that only Variants of reports of researches is more than 10. Basic Tests on revealing and an estimation of weight COPD consider FEV1 (volume Air exhaled by the patient within the first second after The maximum breath) and the forced (maximum) vital capacity Lungs (FVC). PFT it is spent to two stages - before and after a summer residence adequate To weight of a body of doses shortly operating inhalation .