ABG Flashcards

1
Q

Normal range of pH

A

7.35 - 7.45

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2
Q

Normal range of PaCO2

A

4.7 - 6.4 kPa

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3
Q

Normal range of BE

A

-2 to 2

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4
Q

Normal range of PaO2

A

10 - 13.5 kPa

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5
Q

Normal PaO2

A

Normoxaemia

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6
Q

Low PaO2

A

Hypoxaemia

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7
Q

High PaO2

A

Hyperoxaemia

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8
Q

pH: low
PaCO2: high
BE: normal

A

Uncompensated respiratory acidosis

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9
Q

pH: high
PaCO2: low
BE: normal

A

Uncompensated respiratory alkalosis

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10
Q

pH: low
PaCO2: normal
BE: low

A

Uncompensated metabolic acidosis

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11
Q

pH: high
PaCO2: normal
BE: high

A

Uncompensated metabolic alkalosis

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12
Q

pH: low
PaCO2: high
BE: low

A

Uncompensated mixed acidosis

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13
Q

pH: high
PaCO2: low
BE: high

A

Uncompensated mixed alkalosis

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14
Q

pH: low
PaCO2: high
BE: high

A

Partially compensated respiratory acidosis

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15
Q

pH: high
PaCO2: high
BE: high

A

Partially compensated metabolic alkalosis

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16
Q

pH: low
PaCO2: low
BE: low

A

Partially compensated metabolic acidosis

17
Q

pH: high
PaCO2: low
BE: low

A

Partially compensated respiratory alkalosis

18
Q

pH: normal
PaCO2: low
BE: low

A

Fully compensated respiratory alkalosis/ metabolic acidosis

19
Q

pH: normal
PaCO2: high
BE: high

A

Fully compensated respiratory acidosis/ metabolic alkalosis

20
Q

pH: normal
PaCO2: normal
BE: normal

A

Normal ABG

21
Q

Sorensen’s equation

A

pH = -log10[H+]

22
Q

Arterial vs Venous blood pH

A

Arterial pH = 7.4
Venous pH = 7.36
Using Sorenson’s equation we can calculate there is a 10% increase in [H+] between arterial blood to venous blood.