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Asthma - Assignment Example

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The researcher of this essay aims to pay special attention to asthma. This essay explores the definition of asthma; historical background and prevalence of asthma; types of asthma; diagnosis of asthma; management of asthma: goals in management of asthma, treatment and prevention…
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Download file to see previous pages... This research will begin with the definition of Asthma. In accordance to Mill, Asthma is a chronic obstructive airway disease that often becomes characterized by hyper responsiveness of the trachea-bronchial tree to various stimuli resulting to spasmodic narrowing of air passages. Another definition of asthma could be an episodic disease clinically manifested by dyspnoea, wheezing and cough. Asthma hence is a respiratory lung disease that is chronic in nature. Asthma always involves two components: In the lungs, got constriction, muscles tightening air passages, inflammation, irritation and swelling of airways. Inflammation and constriction of the airways often cause many symptoms. When asthma gets left untreated for long, often results to chronic loss of lung function plus also contribute to a condition called chronic obstructive lung disease. In asthma, once a person gets exposed to a trigger, lungs get inflamed or swollen to the extent of causing difficulties in breathing. The term Asthma originated from the Greek word that meant to pant, or sharp breath or exhale using open mouth. In an epic Greek poem, Iliad, asthma becomes first mentioned. Asthma became recognized in antiquity with the famous Hippocrates. Hippocrates correlated asthma to metal workers, farmers, tailors, fishermen among others. In the early times, a lot of asthma cases became associated to asthma occupations. With the recognition of asthma caused by external factors like dust and pollen, more studies became carried out to find out its pathology and effect on the respiratory system. ...
With the recognition of asthma caused by external factors like dust and pollen, more studies became carried out to find out its pathology and effect on the respiratory system. The first well documented occupational asthma case became described in workers of castor beans in 1923 (Mills 2006, p.3). C. Prevalence of asthma. Asthma affects nearly seventeen million Americans, of which five million are children. Incidence of asthma has increased in the last 15 years by over 50 percent. Nearly five hundred thousand patients become often hospitalized due to asthma. Hence asthma belongs to among the top five expensive diseases in the health care system (Mills 2006, p.6). II. Types of asthma. Asthma can be categorized based on the basis of what triggers it. 1. Classification by triggers. A. Allergic asthma. Allergic asthma becomes often called atopic or allergic asthma. It is the commonest asthma type. It often begins in childhood or early adult life. Patients with allergic asthma have family or personal history of preceding allergic diseases like urticaria, rhinitis or infantile spasm. Patients with allergic asthma often exhibit hyper-responsive reactions to extrinsic allergens. Examples of allergens that affect such people are pollens, house dust, moulds, animal danders and others. Patients with this type often have high levels of IgE levels and test positive for skin test (Mills 2006, p.8). B. Seasonal asthma. Grass pollen, tree pollen, moulds pollen or flowers release pollen that in turn trigger this asthma. For instance, some people always find their asthma worse in the spring especially when flowers are flowering compared to other seasons. Others may find their asthma worsened in the late summer ...Download file to see next pagesRead More
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Asthma is a chronic inflammation of airways characterized by continuous and developing inflammatory process that later produces variable clinical presentation such as cough, wheezing etc. Acute inflammation results in broncho-spasm while chronic inflammation affects airway caliber and airflow, thus causing bronchial hyper-responsiveness.
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