Acid-base
Henderson-Hasselbalch
pH from PaCO₂ and HCO₃ (or HCO₃ from pH and PaCO₂).
Required inputs
- PaCO₂ (mmHg)
- HCO₃ (mEq/L)
Equation or source
Standard physiology — Henderson 1908, Hasselbalch 1916.
Acid-base
pH from PaCO₂ and HCO₃ (or HCO₃ from pH and PaCO₂).
Standard physiology — Henderson 1908, Hasselbalch 1916.