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DU PA Pulm testing

Duke PA Pulmonary Function Testing and Sleep Studies

noninvasive method of monitering SaO2 oximetry
Fetal oxygen saturation monitoring FSpO2
Normal oxygen saturation for baby in the womb is between 30% and ___% 70
the amount of light absorbed by oxygen-saturated hemoglobin is measured by the sensor to determine saturation levels oximetry
a machine that can measure air volumes spirometer
in spirometry values greater than __% of predicted values are considered normal 80
most labs use _____ to measure diffusing capacity because of its great affinity for hemoglobin carbon monoxide
amount of air that can be forcefully expelled from a maximally inflated lung position FVC
volume of air expelled during the first second of FVC FEV1
in restrictive lung disease ______ should be measured FEV1/FVC ratio
maximal rate of air flow through the pulmonary tree during forced expiration MMEF (maximal midexpiratory flow)
MMEF volumes are lower than expected in obstructive pulmonary disease
MMEF volumes are normal in restrictive pulmonary disease
maximal volume of air a patient can breath in and out during 1 minute MVV (maximal volume ventilation)
MVV is less than the predicted value in both obstructive pulmonary disease and restrictive pulmonary disease
volume of air inspired and expired with each normal respiration TV (tidal volume)
maximal volume of air that can be inspired from end of normal inspiration IRV (inspiratory reserve volume)
maximal volume of air that can be exhaled after normal exhalation ERV (expiratory reserve volume)
volume of air remaining in the lungs following forced expiration RV (residual volume)
maximal volume of air that can be inspired after normal expiration IC (inspiratory capacity)
amount of air left in lungs after normal expiration FRC (functional residual capacity)
maximal amount of air that can be expired after maximal inspiration VC (vital capacity)
volume to which lungs can be expanded with greatest inspiratory effort TLC (total lung capacity)
volume of air inhaled and exhaled in a minute MV (minute volume)
Part of VT that does not participate in alveolar gas exhange dead space
Portion of air flow curve most affected by airway obstruction FEF (forced expiratory flow)
flow rate of inspired air during maximum inspiration. indicates large airway disease PIFR (peak inspiratory flow rate)
maximum airflow rate during forced expiration PEFR (peak expiratory flow rate)
typically used to detect the presence of hyperactive airway disease methacholine or histamine challenge
highlighted by perialveolar inflammation followed by fibrosis interstitial lung disease
Patients with COPD can be expected to have increased ______ RV and ERV
these patients have reduced lung volumes, inpaired diffusing capacity, and exercise-induced hypoxemia inhalant pneumonitis (farmer's lung, miner's lung)
post-pneumonectomy no changes in ______ would be expected air flow rates
What studies are indicated in any person who snore's excessively; experiences narcolepsy, excessive daytime sleeping, or insomnia sleep studies
includes insomnia, sleep apnea, narcolepsy and RLS dyssomnia
includes sleep walking, sleep talking, sleep terrors, REM disorders parasomnia
the most common type of sleep apnea obstructive
obstructive sleep apnea is caused by relaxation of the posterior pharyngeal muscles
____ sleep apnea is characterized by a simple cessation of breathing central
frequent and irriversible need for sleep during daytime hours narcolepsy
acute sensation of discomfort during periods of inactivity making sleep difficult restless leg syndrome
causes patients to act out their dreams, these patients can vividly recall dreams REM disorders
inability to sleep insomnia
most common form of sleep disorder insomnia
in spirometry ____ impairments are defined by a low FEV1 and a low FEV1/FVC% obstructive
in spirometry _____ impairments are characterized by a proportional decrease in FEV1 and FVC, leading to a preserved FEV1/FVC% restrictive
_____ impairments will have a flattened flow-volume loop obstructive
disease associated with increased elastic recoil lung fibrosis
diseases associated with increased elastic recoil are associated with _____ FRC decreased
disease associated with decreased elastic recoil emphysema
diseases associat with decreased elastic recoil are associated with _____ FRC increased
extrinsic cause of restrictive lung disorder obesity, pleural effusion
Pulse oximetry is not accurate in using to titrate O2 therapy in advanced COPD
pulse oximetry of <___% at rest required for O2 therapy 88
low DLCO with restriction can be seen in interstitial lung disease, pneumonitis
low DLCO with obstruction can be seen in emphysema, cystic fibrosis, bronchiolitis
low DLCO with normal spirometry can be seen in anemia, pulmonary vasculitis, early interstitial lung disease
This test records several body functions during sleep polysomnography
Created by: bwyche