In Relative Contra-indications For Include: * An Unknown

In relative contra-indications for include: * an unknown origin; ; * astable ; * a myocardium heart attack (to 3 Months); * chest and belly departments of an aorta; * Brain arteries; * surgical operation in the face of; * Surgical interventions on a belly or chest cavity; and * with presence syncope, connected with or sharp Exhalation. Interpretation Interpretation Results should begin with an estimation of quality of the test in The whole. Refusal of the patient or wrong execution of instructions and Calibrations at record of elements of the test, and as not performance Standards, can end with unreliable or false results (see Media File 1). The American Chest Society (ATS) so Defines the comprehensible standard on the basis of an estimation of efforts Exhalation: - Minimum quantity of fluctuations in the beginning The forced compulsory exhalation (the extrapolated volume (EV) + / - 5 % from FVC or, approximately, 0.15 L. - There are no signs of cough on the first second of a compulsory exhalation.