HCO₃ esperado (compensação)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
aproximação
About this calculator
The Carbonate Bicarbonate Calculator is a practical tool for healthcare professionals, especially in situations of acid-base compensation. It helps to calculate the expected value of bicarbonate in the blood serum, considering the pH variation.
The formula used is a simple approximation, based on the equation HCO₃ = 24 − 0.5·Δ(pH). This means that for each unit of pH variation, bicarbonate is adjusted by 0.5 units. It is essential to remember that this is an approximation and not an exact measurement.
It is recommended to use this calculator in cases of diseases that affect the acid-base balance, such as acidosis or alkalosis. Additionally, it is useful for monitoring compensation over time. However, it is crucial to remember that this is only a tool and not a substitute for professional medical evaluation.
Some precautions should be taken when using this calculator. The pH variation can be influenced by various factors, such as breathing, eating or medication. In addition, the equation used is an approximation and may not reflect reality in all cases.
Frequently asked questions
What is the formula used by the calculator?
The formula used is HCO₃ = 24 − 0.5·Δ(pH), which is a simple approximation to calculate the expected bicarbonate in the blood serum.
When should I use this calculator?
This calculator is useful in cases of diseases that affect the acid-base balance, such as acidosis or alkalosis, and also for monitoring compensation over time.
Why is this just an approximation?
The equation used is an approximation because it does not consider all the factors that influence the pH variation, such as breathing, eating or medication.
What is important to remember when using this calculator?
It is essential to remember that this is only a tool and not a substitute for professional medical evaluation. Additionally, it is important to consider the pH variation and other factors that may influence the result.
Can I use this calculator in any situation?
No, this calculator is useful only in situations of acid-base compensation. It is essential to use this calculator responsibly and consider the specific clinical situation.