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Module 7 > ABG > Flashcards

ABG Flashcards

1
Q

what does an ABG analysis allow us to do

A

determine oxygenation status and acid base balance

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2
Q

what helps us to adjust our pH levels

A

respiratory and renal

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3
Q

what are normal values for pH

A

7.35-7.45

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4
Q

what are normal PaO2 levels

A

80-100mmhg

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5
Q

what are normal SaO2 levels

A

> 95%

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6
Q

what are normal PaCO2 levels

A

35-45 mmHg

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7
Q

what are normal HCO3 levels

A

22-26mEq/L

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8
Q

what tells us how acidotic or alkalotic our blood is

A

pH

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9
Q

what tells us the amount of oxygen dissolved in arterial blood

A

PaO2

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10
Q

what tells us the saturation of oxygen on hemoglobin

A

SaO2

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11
Q

what is regulated by the lungs

A

PaCO2

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12
Q

what is regulated by the kidneys

A

HCO3

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13
Q

what is the body FASTEST way to change our pH

A

lungs because they regulate CO2 (acid) levels within minutes

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14
Q

how do the lungs compensate for acidosis

A

RR and depth will increase and CO2 will be blown off

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15
Q

how do the lungs compensate for alkalosis

A

RR and depth will decrease and CO2 will be retained

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16
Q

what is our “base”

A

bicarbonate

17
Q

what is our “acid”

A

carbonic acid

18
Q

the ______ regulate _____ levels but its a ______ system, takes hours to days

A

kidneys; HCO3; slower

19
Q

how do our kidneys compensate for acidosis

A

H+ ions will be excreted and HCO3 will be retained

20
Q

how do our kidneys compensate for alkalosis

A

H+ ions will be retained and HCO3 will be excreted

21
Q

if pH is less than 7.35 what is it

A

acidosis

22
Q

if pH is more than 7.45 what is it

A

alkalosis

23
Q

if PaCO2 is less than 35 what is it

A

alkalosis

24
Q

if PaCO2 is more than 45 what is it

A

acidosis

25
Q

if HCO3 is less than 22 what is it

A

acidosis

26
Q

if HCO3 is more than 26 what is it

A

alkalosis

27
Q

what is mild hypoxemia

A

70-80 mmHg

28
Q

what is moderate hypoxemia

A

60-70 mmHg

29
Q

what is severe hypoxemia

A

<60 mmHg

30
Q 
head trauma
over sedation/drug OD
neruomuscular disorder
COPD
respiratory arrest
pneumonia
atelectasis
A

respiratory acidosis

31
Q 
pregnancy and labor
pulmonary emboli
acute asthma
nervousness, anxiety, fear
high altitude 
mechanical ventilation
A

respiratory alkalosis

32
Q 
diabetic ketoacidosis
renal insufficiency or failure 
incomplete metabolism of carbohydrates (lactic acidosis)
salicylate intoxication
severe diarrhea/fistulas
malnutrition or high fat diet
liver failure
A

metabolic acidosis

33
Q

excessive vomiting
ingestion of excess sodium bicarb
prolonged gastric lavage
administration of potent diureticss

A

metabolic alkalosis

Module 7 (8 decks)

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