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RT Chapter 40

active cycle of breathing (ACB) Airway clearance strategy consisting of repeated cycles of breathing control and thoracic expansion, followed by the forces expiratory technique
acute respiratory distress syndrome (ARDS) A respiratory disorder characterized by respiratory insufficiency and hypoxemia. Trigger include gram-negative sepsis, oxygen toxicity, trauma, pneumonia, and systematic inflammatory responses
autogenic drainage (AD) Modification of directed coughing, beginning with low-lung-volume breathing, inspiratory breath holds, and controlled exhalation, and progressing to increased inspired volumes and expiratory flows
bronchiectasis Abnormal condition of the bronchial tree characterized by irreversible dilatation and destruction of the bronchial walls
ciliary dyskinetic syndromes Conditions in which respiratory tract cilia do not function properly
forced expiration technique (FET) Modification of the normal cough sequence designed to facilitate clearance of bronchial secretions while minimizing the likelihood of bronchiolar collapse
hertz (Hz) Symbol for the physical term meaning cycles per second
high frequency chest wall compression (HFCWC) Mechanical technique for augmenting secretion clearance; injected into and withdrawn from a vest by an air-pulse generator at a fast rate, creating an oscillatory motion against the patient’s thorax
huff cough Type of forced expiration with an open glottis to replace coughing when pain limits normal coughing
inspissation (of a fluid) thickened or hardened through the absorption of evaporation of the liquid portion, as can occur with respiratory secretion when the upper airway is bypassed
intrapulmonary percussive ventilation (IPV) Airway clearance technique that uses a pneumatic device to deliver a series of pressurized gas minibursts at high rates (1.6 to 3.75 Hz) to the respiratory tract, usually via a mouthpiece; usually combined with aerosolized bronchodilator therapy
mucus plugging Retention of secretions resulting in full airway obstruction that can result in atelectasis and impaired oxygenation due to shunting
oscillation Back-and-forth motion; vibration or the effects of mechanical or electrical vibration
positive expiratory pressure (PEP) Airway clearance technique in which the patient exhales against a fixed orifice flow resistor in order to help move secretions into the larger airways for expectoration via coughing or swallowing
splinting Process of immobilizing, restraining or supporting a body part
venostasis Disorder in which normal flow of blood through a vein is slowed or halted
Created by: brianna_lynn