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