negative end-expiratory pressure

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0.02 sec.

A subatmospheric pressure that develops at the airway at the end of expiration.

negative end-expiratory pressure (NEEP),

the application of subatmospheric pressure to a patient's airway on exhalation during mechanical ventilation. The technique counterbalances the increase in mean intrathoracic pressure caused by intermittent positive-pressure breathing and is intended to reduce intrathoracic pressure for venous return to the right atrium. Generally the negative pressure is applied by using a jet or Venturi system.

negative end-expiratory pressure

Respiratory care A format for mechanical ventilation in which negative pressure–ie, suction is applied during ventilation. Cf PEEP.

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