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Oxygenation

key words

TermDefinition
Adventitious Abnormal breath sounds heard over the lungs.
Arterial Blood Gas A diagnostic test examining the arterial blood' used to determine the pressure exerted by oxygen and carbon dioxide in the blood.
Bronchial Those heard over the trachea; high in pitch and intensity, whit expiration being longer than inspiration.
Bronchodilator Medication that relaxes contractions of smooth muscles of the bronchioles.
Bronchovesicular Normal breath sounds heard over the upper anterior chest and intercostal area.
Crackles Fine, crackling sounds made as air moves through wet secretions in the lungs.
Diffusion Tendency of solutes to move freely throughout a solvent from an area of higher concentration to an area of lower concentration until equilibrium is established.
Dyspnea Difficult or labored breathing.
Dysrhythmia An abnormal cardiac rhythm.
Edotracheal Tube Polyvinyl-chloride airway that is inserted through the nose or the mouth into the trachea, using a laryngoscope as a guide.
Expiration Act of breathing out; synonym is exhalation.
Heart Failure When the heart is unable to pump a sufficient blood supply, resulting in inadequate perfusion and oxygenation of tissues.
Hemothorax Blood that develops in the pleural space.
Hyperventilation Condition in which there is more than the normal amount of air entering and leaving the lungs.
Hypoventilation Decreased rate or depth of air movement into the lungs.
Hypoxia Inadequate amount of oxygen available to the cells.
Inspiration Act of breathing in; synonym is inhalation.
Metered-dose Inhaler Instrument that delivers a controlled dose of medication to narrowed airways with each compression of the canister.
Myocardial infarction One type of acute coronary syndrome characterized by the death of heart tissue due to the lack of oxygen; also known as a heart attack.
Nasal Cannula Disposable, plastic device that delivers oxygen via two protruding prongs for insertion into the nostrils.
Nebulizer Instrument that disperses fine particles of medication into the deeper passages of the respiratory tract where absorption occurs.
Pacemaker Another name for the sinoatrial (SA) node; initiates the transmission of electrical impulses, causing contraction of the heart at regular intervals.
Perfusion Process by which oxygenated blood passes through body tissues.
Pleural Effusion Fluid in the pleural space.
Pleural Friction Rub Continuous, dry grating sound caused by inflammation of pleural surfaces and loss of lubricating pleural fluid.
Pneumothorax Air in the pleural space.
Pulmonary Ventilation Movement of air into and out of the lungs.
Respiration Gas exchange between the atmospheric air in the alveoli and blood in the capillaries.
Sinoatrial Node A mass of tissue in the upper right atrium, just below the opening of the superior vena cava, that intitiates the transmission of electrical impulses, causing contraction of the heart at regular intervals; also known as pacemaker.
Spirometer Instrument used to measure lung capacities and volumes; one type is used to encourage deep breathing (incentive spirometry).
Tachypnea Rapid rate of breathing.
Thoracentesis Aspiration of fluid or air from the pleural space.
Vescular Normal sound of respirations heard on ausculation over the peripheral lung areas.
Wheezes Continuous, high-pitched squeak or musical sound made as air moves through narrowed or partially obstructed airway passages.
Created by: morgancoady