Oxygenation & Perfusion Key Terms Flashcards
abnormal breath sounds heard over the lungs
adventitious
small air sacs at the end of the terminal bronchioles that are the site of gas exchange
alveoli
a temporary imbalance between the amount of oxygen needed by the heart and the amount delivered to the heart muscles
angina
a diagnostic test examining arterial blood; used to determine the pressure exerted by oxygen and carbon dioxide in the blood
arterial blood gas (ABG)
incomplete expansion or collapse of a part of the lungs
atelectasis
upper chambers of the heart
atria
slow rate of breathing
bradypnea
sounds heard over the larynx & trachea that are high-pitched, harsh “blowing” sounds, with sound on expiration being longer than inspiration
bronchial
med that relaxes contractions of smooth muscle of the bronchioles
bronchodilator
normal breath sounds heard over the mainstem bronchus; they are moderate blowing sounds with inspiration equal to expiration
bronchovesicular
a method to monitor ventilation and, indirectly, blood flow through the lungs
capnography
related to the heart & lungs
cardiopulmonary
relating to the heart & blood vessels
cardiovascular
microscopic, hair-like projections that propel mucus toward the upper airway so that it can be expectorated
cilia
movement of fluid through the body in a regular or circuitous course involving the heart & blood vessels
circulation
fine, crackling sounds as air moves through wet secretions in the lungs
crackles
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
diffusion
difficult or labored breathing
dyspnea