This is with reference to the latest model ventilators suppl
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Dr. N Venkatachalam
This is with reference to the latest model ventilators supplying oxygen at high pressure.  Apart from the pressure and quantum of oxygen, the temperature of the gas must also be given importance.  Oxygen, in its natural state, is a bit cold, and a patient under ventilation may not be in a position to benefit from that oxygen.  It might be better to supply oxygen at a higher temperature.
 
When it comes to the inhalation of oxygen, one more point to be kept in mind is, for normal patients, the ‘nostril size to body mass’ ratio is more important than the ‘height to body mass’ ratio.
 
N.VENKATACHALAM
8-4-2021
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