More In Detail Sm - Http://www.ventword.com By Preparation

More in detail sm - http://www.ventword.com By preparation for a session the patient Should be carefully and it is in detail instructed about the test scheme, about Value of commands carrying out, receptions at record of the test of volumes of breath. At any scheme of record of parametres of functions of bronho-pulmonary system - Allows to estimate united, the general mechanical, Functions of lungs, chest wall and respiratory muscles. Thus spend Measurements of volumes of air on a breath and on an exhalation from full volume of lungs (Full capacity of a lung [=TLC]) to volume of lungs after Exhalation. Such volumes are called as maximum forced vital In capacity (=FVC). The maximum volume of an exhalation on the first second of an exhalation (FEV1) should be at repeated gaugings in limits + / - 0.15 L, if FVC for the patient not less than 1 litre. To receive the greatest possible result On a breath and then as fast as possible to exhale, the device should measure Exhalation volume for the first second (FEV1) an exhalation.