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Medical-Surgical Ch. 25
Medical-Surgical Ch. 25 Glossary
13
Nursing
Undergraduate 3
09/28/2011

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Term
airway pressure release ventilation (APRV)
Definition
mode of mechanical ventilation that allows unrestricted, spontaneous breaths throughout the ventilatory cycle; on inspiration patient receives present level of continuous positive airway pressure, and pressure is periodically released to aid expiration
Term
assist-control ventilation (A/C)
Definition
mode of mechanical ventilation in which the patient's breathing pattern may trigger the ventilator to deliver a present tidal volume; in the absence of spontaneous breathing, the machine delivers a controlled breath at a preset minimum rate and tidal volume
Term
chest drainage system
Definition
use of a chest tube and closed drainage system to re-expand the lung and to remove excess air, fluid, and blood
Term
chest percussion
Definition
manually cupping over the chest wall to mobilize secretions by mechanically dislodging viscous or adherent secretions in the lungs
Term
chest physiotherapy (CPT)
Definition
therapy used to remove bronchial secretions, improve ventilation, and increase the efficiency of the respiratory muscles; types include postural drainage, chest percussion, and vibration
Term
continuous positive airway pressure (CPAP)
Definition
positive pressure applied throughout the respiratory cycle to a spontaneously breathing patient to promote alveolar and airway stability; may be administered with endotracheal or tracheostomy tube or by mask
Term
controlled ventilation
Definition
mode of mechanical ventilation in which the ventilator completely controls the patient's ventilation according to preset tidal volumes and respiratory rate; because of problems with synchrony, it is rarely used except in paralyzed or anesthetized patients
Term
endotracheal intubation
Definition
insertion of a breathing tube through the nose or mouth into the trachea
Term
fraction of inspired oxygen
Definition
concentration of oxygen delivered
Term
hypoxemia
Definition
decrease in arterial oxygen tension in the blood
Term
hypoxia
Definition
decrease in oxygen supply to the tissues and cells
Term
incentive spirometry
Definition
method of deep breathing that provides visual feedback to help patients inhale deeply and slowly and achieve maximum lung inflation
Term
intermittent mandatory ventilation (IMV)
Definition
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