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Ncm 118 LEC > ABG > Flashcards

ABG Flashcards

1
Q

One of the most commonly used tests to measure oxygenation and blood acid levels, two important measures of a patient’s clinical status and correct interpretation can lead to quicker and more accurate changes in the plan of care

A

Arterial Blood Gases (ABG)

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2
Q

A blood test that measures the acidity, or pH, and the levels of oxygen (O2) and carbon dioxide (CO2) from an artery.

A

ABG

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3
Q

The test used to check the function of the patient’s lungs and how well they are able to move oxygen into the blood and remove carbon dioxide.

A

ABG

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4
Q

measure the dissolved oxygen and carbon dioxide in the arterial blood.

A

ABG

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5
Q

Test performed to ensure the hand has adequate collateral blood flow

A

Allen’s Test

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6
Q

Normal Value of pH

A

7.35 - 7.45

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7
Q

> 7.45

A

Alkalemia

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8
Q

<7.35

A

Acidemia

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9
Q

Normal value of PaO2

A

80-100 mmHg

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10
Q

> 100 mmHg

A

Hyperoxia

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11
Q

<80 mmHg

A

Hypoxemia

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12
Q

Normal percentage of SaO2

A

96-100%

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13
Q

Normal value of PaCO2

A

35-45 mmHg

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14
Q

> 45 mmHg

A

Hypercapnia

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15
Q

<35

A

Hypocapnia

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16
Q

Partial pressure of carbon dioxide dissolved in blood

A

PaCO2

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17
Q

Percentage of O2 bound to hemoglobin

A

SaO2

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18
Q

Parameter for SaO2 and PaCO2

A

Ventilation

19
Q

Parameter for pH

A

Acid-Base balance

20
Q

Parameter for PaO2

A

Oxygenation

21
Q

Partial pressure of dissolved O2 in blood

A

PaO2

22
Q

Hydrogen ion concentration

A

pH

23
Q

Indicates the amount of oxygen available to bind with hemoglobin

A

PaO2

24
Q

<40 mmHg

A

Life threatening and requires immediate action

25
Q

Mean of pH

A

7.40

26
Q

If <7.40 but not <7.35

A

Acid side of the mean

27
Q

If >7.40 but not >7.45

A

Alkaline side of the mean

28
Q

<7..35: acidemia

A

Acidosis

29
Q

> 7.45: alkalemia

A

Alkalosis

30
Q

Indicates whether the patient can ventilate well enough to rid the body of the carbon dioxide produced as a consequence of metabolism

A

PaCO2

31
Q

> 45 mmHg: respiratory acidosis

A

Alveoli hypoventilation

32
Q

> 45mmHg: respiratory acidosis results from:

A

C OPD
O versedation
H ead trauma
A nesthesia/drug overdose
N euromuscular impairment
I nadequate ventilation with mechanical ventilator

33
Q

<35mmHg: respiratory alkalosis results from:

A

H ypoxia
A nxiety
P ulmonary embolism
P regnancy
O ver ventilation with mech vent
C ompensatory mechanism to metabolic acidosis

34
Q
  • Acid-base components that reflects kidney function
  • reduced or increased in the plasma by renal mechanism
A

HCO3

35
Q

<22mEq/L

A

Metabolic acidosis

36
Q

> 26mEq/L

A

Metabolic alkalosis

37
Q

Normal value of HCO3

A

22-26mEq/L

38
Q

Metabic acidosis results from

A

K etoacidosis
L actic acidosis
R enal failure
D iarrhea

39
Q

Metabolic alkalosis results from

A

F luid loss from UGIT
D iuretic therapy
S evere hypokalemia
A lkali administration
S teroid therapy

40
Q

Goals of ABG Analysis

A

With the given values, we need to determine if the interpretation is:

  1. Acidosis / Alkalosis
  2. Metabolic / Respiratory
  3. Fully Compensated / Partially Compensated / Uncompensated
41
Q

The best and fun way in interpreting ABG is __.

A

Tic tac toe method

42
Q

Fully Compensated if…

A

pH is normal

43
Q

Partially Compensated if…

A

All three values are abnormal

44
Q

Uncompensated if…

A

PaCO2 or HCO3 is normal and the other is abnormal

Ncm 118 LEC (1 decks)

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