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a 50-year-old man presents with a 4-day history of increasing exertional dyspnea. he has had a chronic cough for the past 3 years and attributes it to cigarette smoking. the cough had been productive of watery sputum, but it has changed to a yellowish color over the past week. he has no known allergies and reports no family history of asthma. on general appearance, he is wheezing. his temperature is 101°f, p 105/min, bp 136/86 mm hg, and rr 30/min.

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Haemophilus influenzae, Streptococcus pneumoniae, Moraxella catarrhalis are the  pathogens most commonly associated with acute exacerbation of chronic bronchitis.

A productive cough that lasts at least three months and recurs for at least two years in a row qualifies as chronic bronchitis. There may be times when the cough or other symptoms of chronic bronchitis get worse.

The lining of your bronchial tubes, which transport air to and from your lungs, become inflamed when you have bronchitis. Bronchitis patients frequently cough up thicker mucus that may be colored. Chronic or acute bronchitis are both possible.

Acute bronchitis is a relatively common condition that frequently results from a cold or other respiratory illness. A persistent irritation or inflammation of the bronchial tube lining characterizes chronic bronchitis, a more dangerous illness that is frequently brought on by smoking.

Here is another question with an answer similar to this about chronic bronchitis: https://brainly.com/question/28119996

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Question correction:

A 50-year-old man presents with increasing exertional dyspnea for the past 4 days. He has had a chronic cough for the past 3 years and attributes it to cigarette smoking. The cough had been productive of watery sputum, but it has changed to a yellowish color over the past week. He has no known allergies and reports no family history of asthma; on examination, he is wheezing. His temperature is 101F, PR- 105/min, BP- 136/86mmHg, and RR-30/min. Respiratory system examination reveals decreased chest wall excursion. Auscultation reveals a prolonged expiratory phase with crepitations and generalized rhonchi. Chest X-ray (CXR) reveals irregular bronchovascular markings. Laboratory results reveal Hb 15 g/dl, WBC 12000/uL, platelets 300x10 9/l.

What are the pathogens most commonly associated with acute exacerbation of chronic bronchitis?

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