Pneumologia SBPT Practice Questions - Título De Especialista Em Pneumologia E Tisiologia (Sociedade Brasileira De Pneumologia E Tisiologia AMB) Exam

The difference between the two largest FVC values and the two largest FEV1 values must both be within 150 mL (or 100 mL if FVC is < 1.0 L). The difference between the two largest FVC values and the two largest FEV1 values must both be within 250 mL regardless of absolute volume. The variation coefficient among all performed maneuvers must not exceed 10% for peak expiratory flow (PEF). The difference between the highest and lowest FEV1 values across all attempts must be less than 5% of predicted normal values.