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Reactive airway disease (RAD) is an informal label that physicians apply to patients with symptoms similar to those of asthma. [1] An exact definition of the condition does not exist. [ 1 ] [ 2 ] Individuals who are typically labeled as having RAD generally have a history of wheezing, coughing, dyspnea , and production of sputum that may or may ...
Unlike those with sensitizer-induced occupational asthma, subjects with irritant-induced occupational asthma do not develop work-related asthma symptoms after re-exposure to low concentrations of the irritant that initiated the symptoms. [2] Reactive airways dysfunction syndrome (RADS) is a severe form of irritant induced asthma where ...
Bronchial hyperresponsiveness is a hallmark of asthma but also occurs frequently in people with chronic obstructive pulmonary disease (COPD). [2] In the Lung Health Study, bronchial hyperresponsiveness was present in approximately two-thirds of patients with non-severe COPD, and this predicted lung function decline independently of other ...
The fundamental problem in asthma appears to be immunological: young children in the early stages of asthma show signs of excessive inflammation in their airways. Epidemiological findings give clues as to the pathogenesis : the incidence of asthma seems to be increasing worldwide, and asthma is now very much more common in affluent countries.
It is the sum of changes that occur in the airways of some asthmatic people compared to people without the disease. [1] [2] Asthma is characterised, in part, by recurrent episodes of reversible airway obstruction; however, in some patients, a degree of irreversible airway obstruction develops over time, leading to lung function decline and ...
Symptoms and signs: Respiratory system ... Asthma; Asthma-COPD overlap; ... Reactive airway disease; Respiratory compromise;
Individuals at higher risk for developing severe disease from Covid-19 and influenza should get tested as soon as their symptoms start so that they can begin prompt antiviral treatment.
If a clinician is concerned that reactive airway disease or asthma may be a component of the illness, a bronchodilator may be administered. [9] Anticholinergic inhalers, such as ipratropium bromide, have a modest short-term effect at best and are not recommended for treatment. [20] [50] [51]