Med-surg Unit 10 Vocab

orthopnea

dyspnea relieved by sitting

surfactant

lipoprotein which prevents alveolar collapse

tachypnea

rapid respiratory rate

pneumothorax

a collection of air or gas in the pleural cavity

vital capacity

volume or air exhaled after a maximal inspiration

apnea

absence of respirations

wheeze

continuous sounds produced by air passing through constricted bronchial tubes which is narrowed by thick mucus

crackle

adventitious lung sound; produced by air passing retained airway secretions or the sudden opening of collapsed airways

tidal volume

volume of air in the single inspiration or expiration

flail chest

caused by fracture of ribs or sternum

cheyne-stokes

cycles by periodic breathing where cycles increase gradually then progressively decrease

stridor

high pitched crowing

postural drainage

positioning body to facilitate drainage

eupnea

normal respiratory rate

percussion

tapping of chest wall with cupped hands to loose drainage

dead space

portion of trachea-bronchial tree which doesn't participate in gas exchange

hypoxia

decreased oxygen in the tissue

bradypnea

slow breathing(less than 10/minute)

kussmaul breathing

air hunger; deep respirations

Arterial blood gases (ABG's)

measurement of pH,PCO2,PO2

hyperpnea

abnormally deep breathing, rate increased

hemoptysis

coughing up blood

subcutaneous emphysema

accumulation of air or gas in subcutaneous tissue

paroxysmal nocturnal dyspnea

comes on suddenly during sleep, early symptom of CHF

epistaxis

nosebleed

hypoxemia

deficiency of oxygen in the blood