Acid Base Balance and Interpretation (Ch. 7)

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Ranges:

Normal pH range

7.35 to 7.45

Alkalosis:

pH > 7.45 (pH in a person is greater than 7.45 or closer to it)

​​​​​​​Acidosis

​​​​​​​pH < 7.35 ( pH in a person is less than 7.35 or closer to it)

Normal Arterial Values:

MEMORIZE

pH: 7.35 - 7.45

PaCO2: 35 - 45 mmHg

HCO3: 22 - 26 mEq/L

PaO2: 80 - 100 mmHg

SaO2: 95% - 99%

Normal Venous Values:

MEMORIZE

pH: 7.30- 7.40

PvCO2: 42 - 46 mmHg

HCO3: 24 - 30 mEq/L

PvO2: 35 - 45 mmHg

SvO2: 66% - 77%