Respiratory diseases

Apr 16th, 2015
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BronchitisOmari B.GMbChb,Mmed.Slide 1Copyright 2006 by Mosby, Inc.Slide 2Bronchitis is one of the top conditions forwhich patients seek medical care.It is characterized by inflammation of thebronchial tubes (or bronchi), the air passagesthat extend from the trachea into the smallairways and alveoli.Acute bronchitis is manifested by cough and,occasionally, sputum production that last forno more than 3 weeks.Copyright 2006 by Mosby, Inc.Slide 3Chronic bronchitis is defined clinically ascough with sputum expectoration for at least3 months a year during a period of 2consecutive years.Chronic bronchitis is associated withhypertrophy of the mucus-producing glandsfound in the mucosa of large cartilaginousairways.Copyright 2006 by Mosby, Inc.Slide 4When a stable patient experiences suddenclinical deterioration with increased sputumvolume, purulence, and or worseningshortness of breath; this is referred to as anexacerbation of chronic bronchitis.Copyright 2006 by Mosby, Inc.pathophysiologySlide 5In acute bronchitis ; inflammation of bronchiallining.The mucus membranes become edematous,reduced muco ciliary function.Results in clogging of airway with debris andcopius secretion of mucus .Copyright 2006 by Mosby, Inc.Pathophysiology ; chronic bronchitisSlide 6Excessive tracheobronchial mucusproduction.Alveolar epithelium is the target and initia

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