Detection of Small Airway Dysfunction in Asthmatic Patients by Spirometry and Impulse Oscillometry System.

Background: There is no gold standard in diagnosing SAD. Indicators of SAD are considered: (a) a value <65% of predicted values of two of three measures, FEF25-75, FEF50 e FEF75 (FEF+); (b) a value of FEV3/FEV6 < LLN (FEV3/FEV6+); (c) an IOS value of R5-R20 >0.07 kPa·s·L-1 (R5-R20+).

Electrocardiographic features of patients with COVID-19 pneumonia.

Background: . The electrocardiographic (ECG) changes which may occur during hospitalization for COVID-19 have not yet been comprehensively assessed.

Patients And Methods: .