Renal / Nephrology A
Henderson-Hasselbalch Equation
Calculates blood pH from bicarbonate and partial pressure of CO2 (pCO2). Fundamental tool for acid-base interpretation. Complements the stepwise ABG approach.
References
- Hasselbalch KA. Die Berechnung der Wasserstoffzahl des Blutes. Biochem Z. 1917;78:112-144.
- Constable PD. A simplified strong ion model for acid-base equilibria: application to horse plasma. J Appl Physiol. 1997;83(1):297-311.
Related
Curated clinical cross-links plus same-class fallbacks.
Calculators
Drugs
- Sodium acid phosphate with sodium bicarbonate · Bowel preparation
- Noradrenaline (Norepinephrine) · Vasopressor (Alpha-1 and Beta-1 Agonist)
- Sodium Bicarbonate · Alkalising Agent / Electrolyte
- Tranexamic Acid (ICU/Trauma/Surgical) · Antifibrinolytic
- Acipimox · Lipid-modifying agent (Nicotinic acid derivative)
- Colesevelam hydrochloride · Bile acid sequestrant
Decision support only — verify against MDCalc, NICE, or your local guideline before clinical use.