Electrolytes & fluids Health Calculators

Arterial Blood pH Calculator

Arterial Blood pH Calculator

The arterial blood pH calculator estimates the acidity of the arterial blood using the Henderson-Hasselbalch equation. Bicarbonate (HCO₃) and arterial carbon dioxide partial pressure (PaCO₂) levels are included in the formula developed in 1908 by Dr. Lawrence Joseph Henderson and then improved by Dr. Karl Albert Hasselbalch, who amplified it to help with the calculation of the arterial blood gas.

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