в цивилизованных странах диагноз астмы у детей старше 5 лет ставится так: спирометрия
Over 5 years:
findings in clinical history and examination that are suggestive of asthma and either spirometry demonstrating obstructive airflow and bronchodilator reversibility or a FeNO level of 35 ppb or more
findings in clinical history that are suggestive of asthma plus spirometry showing obstructive expiration and demonstration of reversibility of airflow limitation of at least 12%
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