Airway Management Flashcards

1
Q

agonal respirations

A

slow shallow irregular respirations resulting from anoxic brain injury

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2
Q

air trapping

A

a respiratory pattern associated with an obstruction in the pulmonary tree, the breathing rate increases to overcome resistance in getting air out the respiratory effort becomes more shallow, the volume of trapped air increases, and the lungs inflate

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3
Q

alveolar air volume

A

in contrast to dead air space, alveolar volume is the amount of air that does reach the alveoli for gas exchange (approx 350 ml in the adult male). it is the difference between tidal volue and dead space volume

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4
Q

angle of louis

A

an angulation of the sternum that indicates the point where the second rib joins the sternum, also called the masubriosternal junction

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5
Q

anoxia

A

a total lack of oxygen availability to the tissues

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6
Q

apnea

A

respiratory arrest

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7
Q

atelectasis

A

an abnormal condition characterized by the collapse of alveoli, preventing the respiratory exchange of carbon dioxide and oxygen in a part of the lungs

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8
Q

barrier device

A

a thin film of material placed on the patients face used to prevent direct contact with the patients mouth during positive pressure ventilation

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9
Q

bilevel positive aitway pressure (BiPAP)

A

the delivery of two levels of positive pressure ventilation, one during inspiration to keep the airway open as the patient inhales, and the other (lower) pressure during expiration to reduce the work of exhalation

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10
Q

biot respirations

A

irregular respirations varying in rate and depth and interrupted by periods of apnea; associated with increased intracranial pressure, brain damage at the level of the medulla, and respiratory compromise from drug poisoning

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11
Q

bradypnea

A

a respiratory rate that i persistently slower than normal for age; in adults a rate slower than 12 breaths/min

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12
Q

capnograph

A

a device that provides a numerical reading of exhaled CO2 concentrations and a waveform (tracing)

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13
Q

capnography

A

continuous analysis and recording of CO2 concentrations in respiratory gases

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14
Q

capnometer

A

a device used to measure the concentration of CO2 at the end of exhalation

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15
Q

capnometry

A

a numeric reading of exhaled CO2 concentrations without a continuous written record or waveform

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16
Q

carina

A

the point where the trachea divides into the right and left mainstem bronchi

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17
Q

central neurogenic hyperventilation

A

similar to kussmaul respirations characterized as deep rapid breathing associated with increased intracranial pressure

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18
Q

cheyne stokes respirations

A

a pattern of gradually increasing rate and dept of breathing that tapers to slower and shallower breathing with a period of apnea before the cycle repeats itself; often described as a crescendo decrescendo pattern or periodic breathing

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19
Q

chronic obstructive pulmonary disease (COPD)

A

a progressive and irreversible condition characterized by diminished inspiratory and expiratory capacity of the lungs

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20
Q

compliance

A

the resistance of the patients lung tissue to ventilation

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21
Q

continuous positive airway pressure (CPAP(

A

the delivery of slight positive pressure throughout the respiratory cycle to prevent airway collapse reduce the work of breathing and improve alveolar ventilation

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22
Q

costal angle

A

the angle formed by the margins of the robs at the sternum

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23
Q

coughing

A

a protective mechanism usually induced by mucosal irritation; the forceful, spastic expiration experienced during coughing aied in the clearance of the bronchi and bronchioles

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24
Q

crackles (rales)

A

as teh name implies, when fluid accumulates in the smaller airway passages, air passing through the fluid creates a moist crackling or popping sound heard on inspiration

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25
Q

crepitation

A

a crackling sound indicative of bone ends grinding together

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26
Q

cricothyroid membrane

A

a fibrous membrane located between the cricoid and thyroid cartilages

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27
Q

cricothyrotomy

A

an emergency procedure preformed to allow rapid entrance to the airway for temporary oxygenation and ventilation

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28
Q

dead air space

A

not all the air inspired during a breath participates in gas exchange and can be further classified as anatomic or physiologic dead space. In the average adult male, this equates to approx 150 ml. Anatomic dead space includes airway passages such as the trachea and bronch, which are incapable of participation in gas exchange. Alveoli that have the potential to participate in gas exchange but do not because of disease or obstruction, as in COPD or atelectasis, are referred to as physiologic dead space

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29
Q

dyspnea

A

an uncomfortable awareness of ones breathing that may be associated with a change in the breathing rate, effort, or pattern

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30
Q

endotracheal (ET)

A

within or through the trachea

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31
Q

endotracheal intubation

A

an advanced airway procedure in which a tube is placed directly into the trachea

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32
Q

exhaled CO2 detector

A

a capnometer that provides a noninvasive estimate of alveolar ventilation, the concentration of exhaled CO2 from the lungs, and arterial carbon dioxide content; also called an endtidal CO2 detector

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33
Q

expiratory reserve volume

A

amount of gas that can be forcefully expired at the end of a normal expiration

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34
Q

external respiration

A

the exchange of gases between the alveoli of the lungs and the blood cells traveling through the pulmonary capillaries

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35
Q

extubation

A

removal of an ET tube from the trachea

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36
Q

FiO2

A

fraction of inspired oxygen

37
Q

flail segment

A

a free floating section of the chest wall that results when two or more adjacent ribs are fractured in two or more places or when the sternum is detached

38
Q

functional reserve capacity

A

at the end of a normal expiration, the volume of air remaining in the lungs

39
Q

gagging

A

a reflex caused by irritation of the posterior pharunx that can result in vomiting

40
Q

gag reflex

A

a normal neural reflex elicited by touching the soft palate or posterior pharynx; the responses are symmetric elevation of the palate, retraction of the tongue, and contraction of the pharyngeal muscles

41
Q

gastric distention

A

swelling of the abdomen caused by an influx of air or fluid

42
Q

glottis

A

the true vocal cords and the space between them

43
Q

hemoglobin

A

a protein found on red blood cells that is rich in iron

44
Q

hering breuer reflex

A

a reflex that limits inspiration and prevents overinflation of the lungs in a conscious, spontaneously breathing person; also called the inhibito inspiratory reflex

45
Q

hiccup

A

intermittent spasm of the diaphragm resulting in sudden inspiration with spastic closure of the glottis; usually annoying and serves no known physiologic purpose

46
Q

hilum

A

the pint of entry for bronchial vessels, bronchi, and nerves in each lung

47
Q

hypercarbia

A

an excess of CO2 in the blood

48
Q

Hyperpnea (hyperventilation)

A

a respiratory pattern characterized by rapid, deep breathing

49
Q

hyperventilation

A

blowing off too much carbon dioxide

50
Q

hypocarbia

A

an inadequate amount of carbon dioxide in the blood

51
Q

hypoventilation

A

occurs when the volume of air that enters the alveoli and takes part in gas exchange is not adequate for the body’s metabolic needs

52
Q

hypoxemia

A

an abnormal deficiency in the concentration of oxygen in arterial blood

53
Q

hypoxia

A

inadequate oxygenation of the cells

54
Q

inspiratory reserve volume

A

amount of gas that can be forcefully inspired in addition to a normal breaths tidal volume

55
Q

internal respiration

A

the exchange of gases between blood cells and tissues

56
Q

kussmaul respirations

A

an abnormal respiratory pattern characterized by deep, gasping respirations that may be slow or rapid

57
Q

laryngoscope

A

an instrument used to examine the interior of the larynx; during ET intubation, the device is used to visualize the glotic opening

58
Q

minute volume

A

amound of gas moved in and out of the respiratory tract per minute. Tidal volume multiplied by ventilatory rate equals minute volume. the minute volume is the true measurement of a patient’s ventilatory status and is vital in assessing pulmonary function. It ascertains the ventilatory rate and the depth of each inhalation

59
Q

orthopnea

A

dyspnea relieved by a change in position (either sitting upright or standing)

60
Q

oxyhemoglobin

A

hemoglobin that has oxygen molecules bound to it

61
Q

paradoxic motion (segment of chest wall)

A

part of the chest moves in an opposite direction from the rest during respiration

62
Q

partial pressure

A

the pressure exerted by an individual gas in a mixture

63
Q

peak expiratory flow

A

the greatest rate of airflow that can be achieved during forced expiration beginning with the lungs fully inflated

64
Q

peak flow meter

A

a device used to assess the severity of respiratory distress

65
Q

pocket mask

A

a clear semirigid mask designed for mouth to mask ventilation of a nonbreathing adult, child, or infant

66
Q

positive end expiratory pressure (PEEP)

A

the amount of pressure above atmospheric pressure present in the airway at the end of the expiratory cycle

67
Q

positive pressure ventilation

A

forcing air into the lungs

68
Q

pulse oximetry

A

a noninvasive method of measuring the percentage of oxygen bound hemoglobin

69
Q

rapid sequence intubation (RSI)

A

the use of medications to sedate and paralyze a patient to achieve endotracheal intubation rapidly

70
Q

rattles

A

attributable to inflammation and mucus or fluid in the larger airway passages, rattles or rhonchi are descriptive of airway congestion heard on inspiration. Rhonchi are commonly associated with bronchitis or pneumonia

71
Q

residual volume

A

after a maximal forced exhalation the amount of air remaining in the lungs and airawy passages not able to e expelled

72
Q

respiration

A

the exchange of gases between a living organism and its environment

73
Q

saturation of peripheral oxygen

A

the percentage of hemoglobin saturated with oxygen (SpO2)

74
Q

sellick maneuver

A

techique used to compress the cricoid cartilage against the cervical vertebrae, causing occlusion of the esophagus, thereby reducing the risk of aspiration; cricoid pressure

75
Q

sighing

A

involuntary and periodic slow, deep breathing followed by a prolonged expiratory phase. occurring approximately once per minute, the act of sighing is thought to open atelectatic (collapsed)

76
Q

sneezing

A

occurs from nasal irruption and allows clearance of the nose

77
Q

stylet

A

a relatively stiff but flexible metal rod covered by plastic and inserted into an ET tube; used for maintaining the shape of the relatively pliant ET tube and steering it into position

78
Q

suprasternal notch

A

a depression easily felt at the bease of the anterior aspect of the next. just above the angel of louis

79
Q

surfactant

A

specialized cells within each alveolus that keeps it from collapsing when little or no air is inside

80
Q

trachypnea

A

a respiratory rate persistently faster than normal for age; in adults, a rate faster than 20 breaths per min

81
Q

tidal volume

A

the volume of gas exhaled during a single respiratory cycle. in average adult male this is approximately 500 ml (5to 7 ml/kg

82
Q

tracheal stoma

A

surgical opening in the anterior neck that extends from the skin surface into the trachea, opening the trachea to the atmosphere

83
Q

tracheostomy

A

the surgical creation of an opening into the trachea

84
Q

tripod position

A

sitting upright and leaning forward supported by the arms, with the neck slightly extended, chin projected, and mouth open to maintain an airway

85
Q

uvula

A

fleshy tissue resembling a grape that hangs down from the soft palate

86
Q

vallecula

A

the depression or pocket between the base of the tongue and the epiglottis

87
Q

ventilation

A

the mechanical process of moving air into and out of the lungs

88
Q

wheeze

A

a musical, whistling sound heard on inspiration and or expiration resulting from constriction or obstruction of the pharynx, trachea, or bronchi, wheezing is commonly associated with asthma