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Medical-Surgical Ch. 23
Medical-Surgical Ch. 23 Glossary
27
Nursing
Undergraduate 3
09/28/2011

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Term
acute lung injury
Definition
an umbrella term for hypoxemic, respiratory failure, acute respiratory distress syndrome is a severe form of acute lung injury
Term
acute respiratory distress syndrome
Definition
nonspecific pulmonary response to a variety of pulmonary and non pulmonary insults to the lung; characterized by interstitial infiltrates, alveolar hemorrhage, atelectasis, decreased compliance, and refractory hypoxemia
Term
asbestosis
Definition
diffuse lung fibrosis resulting from exposure to asbestos fibers
Term
atelectasis
Definition
collapse or airless condition of the alveoli caused by hypoventilation, obstruction to the airways, or compression
Term
central cyanosis
Definition
bluish discoloration of the skin or mucous membranes due to hemoglobin carrying reduced amounts of oxygen
Term
consolidation
Definition
lung tissue that has become more solid in nature due to collapse of alveoli or infectious process (pneumonia)
Term
cor pulmonale
Definition
"heart of the lungs"; enlargement of the right ventricle from hypertrophy or dilation or as a secondary response to disorders that affect the lungs
Term
empyema
Definition
accumulation of purulent material in the pleural space
Term
fine-needle aspiration
Definition
insertion of a needle through the chest wall to obtain cells of a mass or tumor; usually performed under fluoroscopy or chest computed tomography guidance
Term
hemoptysis
Definition
the coughing up of blood from the lower respiratory tract
Term
hemothorax
Definition
partial or complete collapse of the lung due to blood accumulating in the pleural space; may occur after surgery or trauma
Term
induration
Definition
an abnormally hard lesion or reaction, as in a positive tuberculin skin test
Term
nosocomial
Definition
pertaining to or originating from a hospitalization; not present at the time of hospital admission
Term
open lung biopsy
Definition
biopsy of lung tissue performed through a limited thoracotomy incision
Term
orthopnea
Definition
shortness of breath when reclining or in the supine position
Term
pleural effusion
Definition
abnormal accumulation of fluid in the pleural space
Term
pleural friction rub
Definition
localized grating or creaking sound caused by the rubbing together of inflamed parietal and visceral pleurae
Term
pleural space
Definition
the area between the parietal and visceral pleura; a potential space
Term
pneumothorax
Definition
parietal or complete collapse of the lung due to positive pressure in the pleural space
Term
pulmonary edema
Definition
increase in the amount of extravascular fluid in the lung
Term
pulmonary embolism
Definition
obstruction of the pulmonary vasculature with an embolus; embolus may be due to blood clot, air bubbles, or fat droplets.
Term
purulent
Definition
consisting of, containing, or discharging pus
Term
restrictive lung disease
Definition
disease of the lung that causes a decrease in lung volume
Term
tension pneumothorax
Definition
pneumothorax characterized by increasing positive pressure in the pleural space with each breath; this is an emergency situation and the positive pressure needs to be decompressed or released immediately
Term
thoracentesis
Definition
insertion of a needle into the pleural space to remove fluid that has accumulated and decrease pressure on the lung tissue; may also be used diagnostically to identify potential causes of a pleural effusion.
Term
transbronchial
Definition
through the bronchial wall, as in a transbronchial lung biopsy
Term
ventilation-perfusion ratio
Definition
the ratio between ventilation and perfusion in the lung; matching of ventilation to perfusion optimizes gas exchange
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