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NSHA7100 > O2 Supply and Demand Assessments > Flashcards

O2 Supply and Demand Assessments Flashcards

1
Q

Respiratory Muscle Function

A

cough
nutrition
fatigue
mechanical (ventilation)
age
muscles (generalized weakness)
accessory (muscle usage)

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2
Q

Lung Compliance

A

atelectasis
sputum (pink, frothy)
edema (pulmonary)
infection
secretions
mucous
inflammation
consolidation
crackles
cough (productive)

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3
Q

Airway Resistance

A

mucous (+ mucous plugs)
obstructions
stridor
wheezes
asthma
bronchospasm
bronchitis
inflammation
edema, pulmonary
secretions

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4
Q

Tidal Volume

A

tubes, chest
pain
breath sounds (decr to bases)
atelectasis
resp rate (fast)
fractures (rib)
shallow breathing

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5
Q

Vital Capacity

A

resp muscle function
trends in Vc
cough
diseases (ALS, MS, Guillain-Barre)
spinal cord injury

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6
Q

Functional Residual Capacity

A

atelectasis
resp muscle function
breath sounds (prolonged decr)
shallow breathing (prolonged)

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7
Q

A-C membrane thickness

A

diseases (COPD)
infection (pneumonia)
secretions
cough, productive
consolidation
crackles
inflammation
mucous

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8
Q

Surface area

A

pleural effusion
shallow breathing (prolonged)
consolidation
atelectasis
breath sounds (decr to bases)
surgical -ectomies

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9
Q

ODC Left Shift

A

lowers demand
loves oxygen

low 2,3 DPG
low CO2
alkalosis
low temperature

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10
Q

ODC Right Shift

A

Releases oxygen
increases demand

increase 2,3 DPG
high CO2
acidotic
high temp

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11
Q

Decreased Preload

A

JVP decreased
fluid balance
turgor, skin
weight, daily
CVP <2 mmHg
urination (excessive)
mucous membranes dry
IVC not full or flat
N/V (excessive)

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12
Q

Excessively Increased Preload

A

JVP increased
fluid balance positive
CVP >6 mmHg
weight, increasing daily
HF symptoms (crackles, pink frothy sputum, peripheral edema, pulmonary edema)
IVC full
mucous membranes moist

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13
Q

What is afterload influenced by? (two things

A

Measured by trend in DBP and pulse pressure
DBP is the pressure in the arteries during diastole and informs afterload (increasing afterload > upward trend in DBP, downward trend > decr afterload)
Elevated DBP indicated v/d and lower DBP indicated v/d
Pulse Pressure (narrowed suggests v/c)

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14
Q

Decreased Afterload

A

fever
peripheral pulses bounding
skin hot & flushed
pulse pressure widening
cap refill < 3 seconds
DBP downward trend

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15
Q

Increased Afterload

A

skin cool & pale
SNS activation
peripheral pulses weak
pulse pressure narrowing (<25)
cap refill prolonged
doppler only pulses
DBP upward trend

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16
Q

Contractility

A

heart rate and rhythm
inotropic drugs
preload
preexisting heart conditions
oxygen supply to heart tissue
calcium levels
electrolyte imbalance
end-organ-perfusion (LOC, bowel sounds, urine output, etc)
ejection fraction (normal 55-75%)

NSHA7100 (4 decks)

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