Blood Gas Values Flashcards

1
Q

pH

A

7.40 mmHg

Range: 7.35-7.45 mmHg

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2
Q

PaCO2

A

40 mmHg

Range: 35-45 mmHg

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3
Q

PaCO2 (Newborn Normal)

A

<50 mmHg

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4
Q

PaO2

A

97 mmHg

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5
Q

Normal PaO2 Range

A

80-100 mmHg

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6
Q

Mild Hypoxemia - PaO2 Range

A

60-79 mmHg

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7
Q

Moderate Hypoxemia - PaO2 Range

A

40-59 mmHg

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8
Q

Severe Hypoxemia - PaO2 Range

A

<40 mmHg

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9
Q

PaO2 (Newborn Normal)

A

> 60 mmHg

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10
Q

PaO2 >100 in the presence of O2 therapy indicates what?

A

Excessively corrected hypoxemia

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11
Q

Another term for mmHg?

A

Torr

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12
Q

HCO3

A

24 mEq/L

Range: 22-26 mEq/L

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13
Q

BE

A

0 mEq/L

Range: +/-2 mEq/L

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14
Q

SaO2 Definition & How is it Measured?

A

Saturation of arterial blood with oxygen

Calculated from an arterial blood gas (ABG)

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15
Q

SpO2 Definition & How is it Measured?

A

Saturation of arterial blood with oxygen (P stands for pulse)

Measured with a sensor worn by the pt (Pulseox)

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16
Q

SaO2 - Normal

A

98%

Range: 95-100%

17
Q

SaO2 - Preemie

A

88-95%

18
Q

SaO2 - PALS Guidelines

A

94-99%

19
Q

How do you calculate SaO2?

A

SaO2 = PaO2 + 30

20
Q

SpO2 - Normal

A

93-98%

21
Q

SpO2 values when Carbon Monoxide is present?

A

Higher than reality when present

22
Q

MetHb

A

<1%

23
Q

Carboxyhemoglobin Level (COHb) - Normal

A

1-3%

24
Q

Carboxyhemoglobin Level (COHb) - Smokers

A

5-10%

25
Q

Carboxyhemoglobin Level (COHb) - Heavy Smokers

A

10-15%

26
Q

PETCO2 (End Tidal CO2) - Normal

A

34-36 mmHg

Or

3-5%

27
Q

PETCO2 normally reads what compared to PaCO2?

A

Reads 5-10 less than PaCO2

28
Q

> 15 difference in PETCO2 (End Tidal CO2) vs PaCO2, indicates what?

A

Pulmonary Embolism