Tuesday, May 28, 2019

Oxygen effect

Q:Administration of supplemental Oxygen has an anxiolytic effect? (select one) 

A) True
B) False

Answer: A

The administration of supplemental oxygen is found to have an anxiolytic as well as an anti-dyspneic effect besides promoting sleep. This positive effect may also carry some negative effect. As patient feels more relaxed and get sleeping, progressive hypercarbia may ensue particularly in patients with underlying COPD via Haldane effect.



Malhotra A, Schwartz DR, Ayas N, et al. Treatment of oxygen-induced hypercapnia. Lancet 2001; 357:884. 

Orem J. The nature of the wakefulness stimulus for breathing. Prog Clin Biol Res 1990; 345:23.

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