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Asthma and Pathophisiological Template Case Study - Essay Example
Author : laverne60
Pages 3 (753 words)
Case Study Regarding Asthma and a Pathophysiological Template Date Abstract The essay aims address the following objectives: (1) toexplain the process that leads to the structural and functional changes resulting from Jason’s asthma; (2) to explain how four of Jason’s clinical manifestations are related to the structural and functional changes; and (3) to select and discuss two drugs that have been used in the treatment of Jason’s asthma…
Asthma affects 300 million people worldwide with increasing prevalence among children. According to World Health Organization (WHO), approximately 15 million disability-adjusted life-years are lost and 250,000 asthma deaths are reported worldwide with 500, 000 annual hospitalizations in individuals 18 years old and younger (Harver& Kotses, 2010, 19). In order to understand the pathophysiology of asthma, one must first understand the normal physiological process of a normal airway, particularly air exchange in the lungs. Lungs primary function is to deliver oxygen into the bloodstream and remove carbon dioxide from the blood. In the lungs are small air sacs called alveoli where exchange of gases occur (Harver& Kotses, 2010, 19). The bronchioles, which are classified as smaller tubes are very fragile compared to the larger tubes of the respiratory system such as the trachea as these smaller tubes lacks cartilaginous rings and only have a layer of smooth muscle. As the muscle contracts, airways are extremely narrowed due to the lack of cartilaginous support. ...