Child lung function

Children's pulmonary function test is one of the necessary tests for respiratory diseases. Children's pulmonary function plays an important role in the diagnosis, differential diagnosis, evaluation of the severity of the disease, the judgment of the curative effect and the prognosis of asthma. At present, children's pulmonary function tests include: infant pulmonary function meter to measure tidal respiratory lung function, school age and children to measure expiratory flow rate-volume curve. Main indicators: peak expiratory flow velocity (PEF), forced expiratory volume (FEV1) at 1 second, peak time ratio (TPTEF / TE), peak volume ratio (VPEF / VE), shape of flow-volume loop, etc. , Can reflect the airway obstruction in children with asthma.

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