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29 Cards in this Set

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  • Back
Alveolus
A thin-walled air sac of the lungs in which the exchange of oxygen and carbon dioxide takes place
apnea
the temporary cessation of breathing
bradypnea
An abnormal decrease in the respiratory rate of less than 10 respirations per minute
cyanosis
a bluish discoloration of the skin and mucous membranes first observed in the nailbeds and lips
dyspnea
shortness of breath or difficulty in breathing
eupnea
normal respiration
exhalation
the act of breathing out
hyperpnea
an abnormal increase in the respiratory rate of more than 20 respirations per minute
hyperventilation
an abnormally fast and deep type of breathing usually associated with acute anxiety conditions
hypopnea
an abnormal decrease in the rate and depth of respiration
hypoxemia
a decrease in the oxygen saturation of the blood; may lead to hypoxia
hypoxia
a reduction in the oxygen supply to the tissues of the body
inhalation
the act of breathing in
orthopnea
the condition in which breathing is easier when an individual is in a standing or sitting position
pulse oximeter
a computerized device consisting of a probe and monitor used to measure the oxygen saturation of arterial blood
pulse oximetry
the use of a pulse oximeter to measure the oxygen saturation of arterial blood
Sao2
Abbreviation for the percentage of hemoglobin that is saturated with oxygen in arterial blood
Spo2
Abbreviation for the percentage of hemoglobin that is saturated with oxygen in arterial blood as measured by a pulse oximeter
tachypnea
An abnormal increase in the rate and depth of respiration
diastole
the phase in the cardiac cycle in which the heart relaxes between contractions
diastolic pressure
the point of lesser pressure on the arterial walls
hypertension
high blood pressure
hypotension
low blood pressure
meniscus
the curved surface on a column of liquid in a tube
pulse pressure
the diffeence between the systolic and diastolic pressures
sphygmomanometer
an instrument for measuring arterial blood pressure
stethoscope
an instrument for amplifying and hearing sounds produced by the body
systole
the phase in the cardiac cycle in which the ventricles contract, sending blood out of the heart and into the aorta and pulmonary aorta
systolic pressure
the point of maximum pressure on the arterial walls