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Resources: Glossary

The Glossary contains terms commonly associated with ventilators, the community, and respiratory physiology. Click on a hyperlinked letter to view the entries that begin with that letter, then scroll down in the window to find the word you are looking for.

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Nasotracheal Tube A flexible conduit that is inserted through the nose and the larynx into the trachea to provide an airway to the bronchial tree.
Nebulizer device that adds liquid to a gas in the form of droplets.
NEEP Negative End Expiratory Pressure - The pressure in the patient circuit is maintained below ambient at the end of expiration.
Neuromuscular Disease Ex.: Muscular Dystrophy, Amyotrophic Lateral Sclerosis (ALS)
NICU Neonatal Intensive Care Unit
Nomograph A chart relating three or more scales across which a straightedge can be placed to provide a graphical solution for a particular problem.
NPPV Noninvasive Positive Pressure Ventilation -Mechanical ventilation in which the connection between the patient and the breathing circuit (through which the positive pressure for inspiration is applied to the airways) is a mask over the mouth and/or nose rather than a tube extending into the trachea.
NPV Negative Pressure Ventilation - A form of ventilation in which inspiratory flow is produced by expanding the lungs by applying a negative pressure (relative to ambient) to the external surface of the chest wall. This can be done by placing a cuirass around the ribcage and abdomen and evacuating it with the negative pressure ventilator.
Nurse Call Output A signal available from the ventilator that can be connected to a remote device to notify the operator of an alarm condition of the ventilator.
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