It is the only respiratory function test performed during normal-tidal breathing, making it very friendly for the elderly, individuals with dyspnea and compromised respiratory function, as well as for children.

IOS measures the total resistance of the respiratory system. Provides information on the caliber of the airways (central and peripheral).

Evaluates the response to bronchodilator and bronchoprovocation tests. It is particularly useful in childhood asthma, where it is applied to monitor progress and evaluate the response to treatment. Gives an insight on the elastic properties of the lungs, useful in the evaluation of restrictive lung diseases.