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Old 09-25-2014
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in chronic bronchitis doesnt the hypoxemia lead to hyperventilation which leads to respiratory alkalosis?

answer given is respiratory acidosis
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Chronic bronchitis is a chronic lung dis...pt are hypoventelated...they have hypoxia & hypercapnia so respiratory acidosis...
U can check FA2013 p.488 acidosis/alkalosis causes.
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Old 09-25-2014
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Chronic bronchitis, GBS, narcotic, sedatives, all are the causes of hypoventilation and so leads to respiratory acidosis. It basically means your respiratory center is depressed so u cannot ventilate properly.
See chronic bronchitis is an obstructive lung disease u cannot exhale properly which means you are accumulating gases in you and one of which is CO2 so its acidosis. You cannot overcome obstruction just by hyperventilation.this obstruction either mucus gland hyperplasia treated medical when relived then u can get back to ur normal physiology.
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Quote:
Originally Posted by shaunakdgr8 View Post
in chronic bronchitis doesnt the hypoxemia lead to hyperventilation which leads to respiratory alkalosis?

answer given is respiratory acidosis
Just remember that Obstructive diseases cause RESPIRATORY ACIDOSIS. other obst. dis. to list is cystic fibrosis where mucous get plugged in bronchi.
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