Acid Base Balance

• pH PaCO₂ HCO₃
• Respiratory Acidosis LOW HIGH NORM
• Respiratory Alkalosis HIGH LOW NORM
• Metabolic Acidosis LOW NORM LOW
• Metabolic Alkalosis HIGH NORM HIGH

• Sodium- most abundant cation in ECF
• •135-145 mEq/L

• Potassium - most abundant cation in ICF
• 3.5-5 mEq/L

• Calcium- Stored in bone mostly
• •8.5- 10.5 mg/dL

pH (blood) 7.35 - 7.45

PaCO₂ (pp of CO₂) 35 - 45 mm Hg

HCO₃- bicarbonate - 22 - 26 mEq/L