Oxygenation 50 Flashcards

1
Q

Intrapleural pressure

A

Pressure surrounding lungs. Always slightly negative

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2
Q

Intrapulmonary pressure

A

Within the lungs

Always equalized with atmospheric pressure

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3
Q

Tidal volume

A

Normal volume

500 mL

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4
Q

Lung compliance

A

Stretch ability of lung tissue

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5
Q

Atelectasis

A

Collapse portion of the lung

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6
Q

Lung recoil

A

Tendency for the lungs to collapse away from chest wall

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7
Q

Surfactant

A

Lipoprotein reduces surface tension of ale oar fluid

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8
Q

Diffusion

A

Movement of gases from higher to lower concentration.

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9
Q

Partial pressure

A

Pressure excreted by each individual gas in a mixture

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10
Q

mmHg

A

Torr

Or

mm of mercury

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11
Q

Hemoglobin

A

Oxygen carrying red pigment

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12
Q

Hematocrit

A

Percentage of the blood that is erythrocytes

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13
Q

Eupnea

A

Normal, quiet

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14
Q

Hypercapnia

A

Increased carbon dioxide

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15
Q

Kussmauls breathing

A

Hyperventilating that accompanies metabolic acidosis

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16
Q

Cheyne stokes

A

Waxing and waning. Dying

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17
Q

Biots (cluster) respiration a

A

Shallow breaths interrupted by apnea

CNS disorders

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18
Q

Expectorate

A

Spit out

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19
Q

Postural drainage

A

Drainage by gravity of secretions of lung

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20
Q

Mucus clearance device

A

Used for those with cystic fibrosis, COPD, bronchiectasis

21
Q

Pneumothorax

A

Air collects in pleural space

22
Q

Hemothorax

A

Accumulation of blood in pleural space

23
Q

Pleural effusion

A

Excessive fluid in the pleural space

24
Q

Respiratory membrane

A

Alveolar/capillary membrane. Gas exchange occurs between alveolar and blood

25
Q

Hemoglobin

A

Binds and releases O2

26
Q

PaO2

A

Dissolved O2 in plasma

Normal 80-100 mm Hg

27
Q

SaO2

A

Oxygen bound to hemoglobin

Normal above 92%

28
Q

Effect blood capacity

A

PaO2-amount person can get in
Amount of hemoglobin
How well hemoglobin binds to O2

29
Q

Systemic diffusion

A

High to low

30
Q

Cellular respiration

A

Internal respiration

31
Q

Restrictive pulmonary disease

A

Impaired ability of chest wall or lungs during inspiration

Rails

32
Q

Diffusion defects

A

Impaired blood flow

Reduction in contact time with blood

33
Q

Pulmonary edema

A

Accumulation of fluid in alveoli

Heart is not pumping well

34
Q

Ventilation perfusion mismatching

A

Blood cannot move past clot in lungs (breathe ok)
Back up of blood in lungs
Death past clot

35
Q

Atherosclerosis

A

MYocardial infarction
Cerebral vascular disease
Problem with systemic circulation

36
Q

CHF

A

Damage valvular disorders
Hypertensive heart disease
Vein distension

37
Q

COPD assessment

A

Vitals down
Clubbing of fingernails
Edema in lower extremities
S3 and S4 sounds

38
Q

Barrel chest

A

Built up accessory muscles

1:2 ratio is normal

39
Q

Perfusion assessment

A

Bowel sounds
Decreased urine output
(Blood flow to kidneys)
Hypoxia (anywhere)

40
Q

Hypo ventilation

A

Build up of CO2

41
Q

Kussmauls

A

Blow off CO2

Diabetic

42
Q

Cheyne stokes

A

Waxing, waning

Dying

43
Q

Biots

A

Shallow with apnea

CNS

44
Q

Obstructed airway

A

Sputum
Strider
Retractions
Adventitious breath sounds

45
Q

Adventitious breathe sounds

A

Crackers (rails)
Wheezes
Gurgles (rhonchi)

46
Q

Thoracentesis

A

Puncture chest space
Drain fluid/pus/blood
Instant relief

47
Q

Interventions to promote airway clearance

A

Coughing, deep breathing
Drainage
Hydration

48
Q

Breathing pattern interventions

A

Positions
Pursed lip breathing
Incentive spirometery
Chest tube

49
Q

Interventions improve cardiac output and tissue perfusion

A
Restrict sodium
Diuretic
I&O
Daily weight 
Ambulatory
Positioning