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The mechanisms behind allergic asthma—i.e., asthma resulting from an immune response to inhaled allergens—are the best understood of the causal factors. In both people with asthma and people who are free of the disease, inhaled allergens that find their way to the inner airways are ingested by a type of cell known as antigen-presenting ...
There is currently no precise test for the diagnosis, which is typically based on the pattern of symptoms and response to therapy over time. [5] [20] Asthma may be suspected if there is a history of recurrent wheezing, coughing or difficulty breathing and these symptoms occur or worsen due to exercise, viral infections, allergens or air ...
Patients may experience dizziness, heart palpitations, hyperglycemia, diarrhea and muscle cramps when taking these medications. Importantly, medications that antagonize the β2 receptor (β-blockers) may significantly increase the risk of asthma exacerbations, and are generally avoided in asthmatic patients. [7]
“Anyone can have an asthma attack, but your risk of an asthma exacerbation is much higher if your asthma is poorly controlled,” says Dr. Mustafa. For example, think back. Do you remember any ...
The goal of asthmatic agents is to reduce asthma exacerbation frequencies and related hospital visits. Anti-asthmatic agents as rescue medications for acute asthma attacks include short-acting β 2 -adrenergic receptor agonists (SABA), short-acting muscarinic antagonists (SAMA), systemic glucocorticoids , and magnesium sulfate .
The post bronchodilator test (Post BD), also commonly referred to as a reversibility test, is a test that utilizes spirometry to assess possible reversibility of bronchoconstriction in diseases such as asthma.
Acute severe asthma, also known as status asthmaticus, is an acute exacerbation of asthma that does not respond to standard treatments of bronchodilators (inhalers) and corticosteroids. [2] 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 ...
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 fibrosis. Existing airway remodelling may also contribute to bronchoconstriction in acute asthma exacerbations. [1] [2]
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