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Why Is Chronic Obstructive Pulmonary Disease Low Flow Oxygen Uptake?

May 19, 2018

Chronic obstructive pulmonary disease (COPD) is a general term for chronic airway obstructive disease. It mainly refers to two diseases, chronic bronchitis and emphysema, which have irreversible airway obstruction.Patients with COPD have different degrees of hypoxia and carbon dioxide retention due to obstructions in pulmonary ventilation and ventilation function.Due to long-term carbon dioxide retention, central chemoreceptor to phlegm dioxide stimuli, and outside weeks chemoreceptor to hypoxia adaptation is slow, at this time breathing rely mainly on the stimulating effect of the low oxygen foreign weeks chemoreceptor, given oxygen flow too fast, concentration is too high, can relieve the stimulation, a respiratory depression.