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What is the purpose of the demand-valve resuscitator?

Answer :

Final answer:

The demand-valve resuscitator assists with artificial ventilation by providing oxygen when the patient tries to inhale, keeping airways open and maintaining residual volume in the lungs, vital during medical emergencies or surgeries.

Explanation:

The purpose of the demand-valve resuscitator is to assist with ventilation for patients who are unable to breathe adequately on their own. This device is designed to supply oxygen or a mixture of gases to the lungs in a controlled manner, with the delivery of each breath triggered by the patient's own inhalation effort. This ensures that the patient's airways remain open and receive oxygen precisely when needed, which is crucial during medical procedures such as open-heart surgery or in emergency situations involving cardiac or respiratory distress.

In medical situations, the demand-valve resuscitator is particularly valuable because it aids in recruitment process of opening airways that typically remain closed, thus increasing cardiac output. It is also essential for maintaining the residual volume (RV), which is the amount of air remaining in the lung after a full exhalation. Therefore, resuscitators are an integral component of life-saving measures and advanced medical care.

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