Ch. 7 Diagnostic Tests & Procedures Flashcards Preview

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Flashcards in Ch. 7 Diagnostic Tests & Procedures Deck (24):
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arterial blood gas (ABG)

analysis of arterial blood to determine adequacy of lung function in the exchange of gases

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pH

Potential of Hydrogen; measurement of blood acidity or alkalinity

2

PaO2

abbreviation for partial pressure of oxygen; measurement of the amount of oxygen in the blood

3

PaCO2

abbreviation for partial pressure of carbon dioxide; measurement of the amount of carbon dioxide in the blood

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endoscopy

examination inside a body cavity with a flexible endoscopy

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bronchoscopy

use of an endoscope to examine the airways

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nasopharyngoscopy

use of an endoscope to examine the nasal passages and throat

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examination methods

techniques used during physical examination to objectively evaluate the respiratory system

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auscultation

to listen with a stethoscope to heart and lung sounds

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percussion

examination method of tapping on the body to elicit vibrations and sounds to estimate the size, border, or fluid content of a cavity, such as the chest

10

lung biopsy (Bx)

removal of a small piece of lung tissue for pathologic examination

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lung scan; ventilation-perfusion (V/Q) scan

a two-part nuclear scan of the lungs to detect abnormalities of ventilation or perfusion (blood flow)

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magnetic resonance imaging (MRI)

non-ionizing image of the lungs to visualize lung lesions

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polysomnography (PSG)

recording various aspects of sleep for diagnosis of sleep disorders

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pulmonary function testing (PFT)

direct and indirect measurements of lung volumes and capacities

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spirometry

direct measurement of lung volume and capacity

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tidal volume (TV or Vt)

amount of air exhaled after normal inspiration

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vital capacity (VC)

amount of air exhaled after maximal inspiration

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peak flow (PF); peak expiratory flow rate (PEFR)

measure of the fastest flow of exhaled air after maximal inspiration

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pulse oximetry

noninvasive method of estimating the % of oxygen saturation in the blood; used to monitor hypoxemia

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radiology

x-ray imaging

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chest x-ray

x-ray image of the chest to visualize the lungs

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computed tomography (CT)

CT of the thorax used to detect lesions in the lungs; CT of the head used to visualize structures of the nose and sinuses

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pulmonary angiography

x-ray imaging of the blood vessels of the lungs after the injection of a contrast medium

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