Essential Equations for Anaesthesia

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Machine generated contents note: SECTION 1 PHYSICS -- pt. 1a Gases -- 1.Boyle's law -- 2.Charles' law -- 3.Gay-Lussac's law (third gas law) -- 4.Avogadro's equation -- 5.Universal gas equation -- 6.Dalton's law of partial pressures -- 7.Henry's law -- 8.Graham's law of diffusion -- pt. 1b Pressure and flow -- 1.Pressure and force -- 2.Hagen-Poiseuille equation (and laminar flow) -- 3.Reynold's number (and turbulent flow) -- 4.Laplace's law and tension -- 5.Bernoulli equation and Venturi effect -- pt. 1c Electricity -- 1.Ohm's law, voltage, current and resistance -- 2.Capacitance and capacitors -- 3.Inductance and inductors -- 4.Work and power -- 5.Transformers -- 6.Electrical charge -- pt. 1d Other -- 1.Doppler equation and effect -- 2.Beer-Lambert law -- 3.Relative humidity -- 4.Natural frequency -- 5.Wave equation and ultrasound -- SECTION 2 PHARMACOLOGY -- pt. 2a Pharmacokinetics -- 1.Bioavailability -- 2.Volume of distribution -- 3.Clearance -- 4.Hepatic clearance --^ Contents note continued: 5.Concentration and elimination -- 6.Plasma concentration and compartment models -- 7.Loading dose and maintenance dose -- 8.Exponential function and rate constant -- 9.Half-life and context-sensitive half-life -- 10.Time constant -- 11.Rates of reaction -- 12.Michaelis--Menten equation -- pt. 2b Pharmacodynamics -- 1.Drug-receptor dissociation constant and affinity -- 2.Therapeutic index -- SECTION 3 PHYSIOLOGY -- pt. 3a Cardiovascular -- 1.Cardiac output and cardiac index -- 2.Stroke volume -- 3.Ventricular stroke work and index -- 4.Ejection fraction and fractional area change -- 5.Coronary perfusion pressure and coronary blood flow -- 6.Bazett's formula -- QT interval corrected -- 7.The Fick principle -- cardiac output measurement -- 8.The Fick equation -- oxygen uptake measurement -- 9.Mean arterial pressure -- 10.Venous return -- 11.Total blood volume -- 12.Systemic vascular resistance -- 13.Uterine blood flow -- 14.Stewart-Hamilton equation --^ Contents note continued: 15.Oxygen delivery -- 16.Oxygen extraction ratio -- 17.Oxygen content equation -- 18.The dilution principle - measurement of fluid compartment volume -- pt. 3b Respiratory -- 1.Diffusing capacity -- 2.Compliance -- 3.Bohr equation -- 4.Alveolar ventilation equation -- 5.Alveolar gas equation -- 6.Helium dilution technique -- 7.Spirometry: forced expiration -- 8.Lung volumes and capacities -- 9.Respiratory quotient and respiratory exchange ratio -- 10.Shunt equation -- 11.Pulmonary vascular resistance -- pt. 3c Renal -- 1.Renal filtration fraction -- 2.Renal clearance and Cockcroft-Gault formula -- 3.Starling's equation -- rate of filtration -- 4.Fick's law of diffusion -- pt. 3d Cellular, biochemical and acid-base -- 1.Osmolarity/osmolarity and the osmolar gap -- 2.Morse equation and osmotic pressure -- 3.Anion gap -- 4.Goldman equation -- 5.Gibbs-Donnan effect -- 6.Nernst equation -- 7.pH -- 8.pKa -- 9.Acid-base compensation simplified --^ Contents note continued: 10.Henderson-Hasselbalch equation -- pt. 3e Neurological -- 1.Cerebral perfusion pressure and intracranial pressure -- 2.Intraocular pressure -- SECTION 4 STATISTICS -- 1.Binary classification tests and 2 x 2 tables -- 2.Negative predictive value -- 3.Positive predictive value -- 4.Specificity -- 5.Sensitivity -- 6.Relative risk -- 7.Relative risk reduction -- 8.Absolute risk reduction -- 9.Accuracy of test -- 10.Chi-squared test -- 11.Likelihood ratio -- 12.Standard error of mean -- 13.Standard deviation and variance -- 14.Power -- 15.Odds ratio -- Appendix -- 1.The International System of Units -- 2.Units of measurement.