Clinical Procedure
 
Aliases:
Denitrogenation

Topic aliases are alternate phrasings for a particular topic.


The act of increasing the partial pressure of oxygen within the functional residual-capacity of the patient's lungs to prolong the apnoic oxygenation time at the time of induction of general anaesthesia.
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Preoxygenation is more effective in the 25 degrees head-up position than in the supine position in severely obese patients. 25 degree head up provides 200 seconds oxygenation after 3 minute period of preoxygenation compared with 155 seconds in the supine position. refl.in/35

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1
Review video of preoxygenation by EMCast

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