Question

What are positive pressure and negative pressure ventilators ? Which one do you think will be more capable of making a coma patient breathe ? Which among these two ventilators are intrusive ?

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Answer 1

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For air to enter the lungs, a pressuregradient must exist between the airway and the alveoli. This can be accomplished either by raisingpressure at the airway (positive-pressure ventilation) or by loweringpressure at the level of the alveolus (negative-pressure ventilation).

Someone in a coma will also have very reduced basic reflexes such as coughing and swallowing. They may be able to breathe on their own, although some people require a machine to help them breathe. Over time, the person may start to gradually regain consciousness and become more aware.

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Answer 2

Answer:

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♥️Positive pressure ventilator-

A mechanical ventilator or positive pressure ventilator is an instrument used to help a patient to breathe when they are unable to breathe on their own.

♥️ Negative pressure ventilator-

Negative pressure ventilation is mechanical ventilation in which negative pressure is generated on the outside of the chest and transmitted to the interior to expand the lungs and allow air to flow in.

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