Mechanical Power (Ventilation) Calculator
Estimate mechanical power delivered during ventilation to guide lung-protective strategies.
Physiology Calculators
Calculators exploring core physiological relationships in respiratory, cardiovascular, and metabolic systems.
Pulmonary Artery Pulsatility Index Calculator
Assess right ventricular function and haemodynamic status using PAPi.
Arterial Blood Gas Interpretation Calculator
Rapid interpretation of acid–base status and compensatory physiology from arterial blood gas values.
Gas Tension Conversion Calculator
Convert and interpret gas tensions across units and conditions for accurate physiological analysis.
Sodium Correction for Hyperglycaemia Calculator
Adjust serum sodium for hyperglycaemia to better reflect true osmotic status.
Total Body Water Calculator
Estimate total body water based on patient characteristics to guide fluid and drug dosing.
Tube Cross-Sectional Area Calculator
Calculate airway or vascular cross-sectional area to understand device proportional occlusion, flow dynamics and resistance.
Shunt Fraction Calculator
Estimate physiological shunt to quantify impairment in oxygenation.
Alveolar–Arterial Gradient Calculator
Estimate the alveolar–arterial oxygen gradient to assess gas exchange and identify causes of hypoxaemia.