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  2. Peak expiratory flow - Wikipedia

    en.wikipedia.org/wiki/Peak_expiratory_flow

    It is classically reduced in obstructive lung disorders such as asthma. Due to the wide range of 'normal' values and the high degree of variability, peak flow is not the recommended test to identify asthma. However, it can be useful in some circumstances. A small portion of people with asthma may benefit from regular peak flow monitoring. When ...

  3. Exhaled nitric oxide - Wikipedia

    en.wikipedia.org/wiki/Exhaled_nitric_oxide

    Clinical trials have looked at whether tailoring asthma therapy based on eNO values is better than conventional care, in which therapy is gauged by symptoms and the results of lung function tests. [8] [9] [10] To date, the results in both adults and children have been modest and this technique can not be universally recommended.

  4. Acute severe asthma - Wikipedia

    en.wikipedia.org/wiki/Acute_severe_asthma

    A PCP will ask questions in regards to symptoms and breathing; they will also ask if fatigue or wheezing has been experienced when breathing in or out; and also test using a peak expiratory flow and an oxygen saturation. Status asthmaticus can be misdiagnosed when wheezing occurs from an acute cause other than asthma. Some of these alternative ...

  5. Asthma - Wikipedia

    en.wikipedia.org/wiki/Asthma

    As caffeine is a bronchodilator in people with asthma, the use of caffeine before a lung function test may interfere with the results. [98] Single-breath diffusing capacity can help differentiate asthma from COPD. [20] It is reasonable to perform spirometry every one or two years to follow how well a person's asthma is controlled. [99]

  6. Do at-home flu tests really work? Here's everything you need ...

    www.aol.com/lifestyle/home-flu-tests-really...

    In their annual influenza recommendations for children, the American Academy of Pediatrics notes that at-home flu tests can be used on children as young as 2 years old, “but data on the use of ...

  7. Bronchial challenge test - Wikipedia

    en.wikipedia.org/wiki/Bronchial_challenge_test

    This is commonly referred to as a reversibility test, or a post bronchodilator test (post BD), and may help in distinguishing asthma from chronic obstructive pulmonary disease. Also, a DLCO test can be used to distinguish asthma (normal to high DLCO) from COPD (reduced DLCO). False positives and negatives are possible in the bronchial challenge ...

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