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خرید پکیج
تعداد آیتم قابل مشاهده باقیمانده : 3 مورد
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Contraindications to bronchial challenge testing

Contraindications to bronchial challenge testing
Airflow limitation
FEV1 <60% predicted (adults or children) or <1.5 L (adults)
FEV1 <75% predicted (adults or children) for exercise or eucapnic voluntary hyperpnoea challenge
Spirometry quality
Inability to perform acceptable and repeatable spirometry maneuvers throughout the test procedure
Cardiovascular and other problems
Myocardial infarction or stroke in last three months
Uncontrolled hypertension
Known aortic aneurysm
Recent eye surgery or intracranial pressure elevation risk
General
Inability to perform any of the testing maneuvers, such as inhaling the challenge agent consistently or exercising on treadmill or bicycle during an exercise challenge
FEV1: forced expiratory volume in one second.
Reproduced with permission of the © ERS 2018: European Respiratory Journal May 2017, 49 (5) 1601526; DOI: 10.1183/13993003.01526-2016.
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