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  2. Asthma - Wikipedia

    en.wikipedia.org/wiki/Asthma

    Diagnosis is usually based on the pattern of symptoms, response to therapy over time, and spirometry lung function testing. [5] Asthma is classified according to the frequency of symptoms of forced expiratory volume in one second (FEV 1 ), and peak expiratory flow rate . [ 11 ]

  3. Pathophysiology of asthma - Wikipedia

    en.wikipedia.org/wiki/Pathophysiology_of_asthma

    GERD may be common in difficult-to-control asthma, but according to one study, treating it does not seem to affect the asthma. [33] When there is a clinical suspicion for GERD as the cause of the asthma, an Esophageal pH Monitoring is required to confirm the diagnosis and establish the relationship between GERD and asthma.

  4. Acute severe asthma - Wikipedia

    en.wikipedia.org/wiki/Acute_severe_asthma

    Asthma is caused by multiple genes, some having protective effect, with each gene having its own tendency to be influenced by the environment although a genetic link leading to acute severe asthma is still unknown. [3] Symptoms include chest tightness, rapidly progressive dyspnea (shortness of breath), dry cough, use of accessory respiratory ...

  5. Bronchospasm - Wikipedia

    en.wikipedia.org/wiki/Bronchospasm

    Bronchospasms can occur for a number of reasons. Lower respiratory tract conditions such as asthma, chronic obstructive pulmonary disease (COPD), and emphysema can result in contraction of the airways. Other causes are side effects of topical decongestants such as oxymetazoline and phenylephrine. Both of these medications activate alpha-1 ...

  6. Shortness of breath - Wikipedia

    en.wikipedia.org/wiki/Shortness_of_breath

    Asthma is the most common reason for presenting to the emergency room with shortness of breath. [2] It is the most common lung disease in both developing and developed countries affecting about 5% of the population. [2] Other symptoms include wheezing, tightness in the chest, and a nonproductive cough. [2]

  7. Occupational asthma - Wikipedia

    en.wikipedia.org/wiki/Occupational_asthma

    Occupational asthma is new onset asthma or the recurrence of previously quiescent asthma directly caused by exposure to an agent at workplace. It is an occupational lung disease and a type of work-related asthma .

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