Transcription of Acid-Base Physiology
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Acid-Base Physiology
Acid-Base PhysiologyBuffersH+A-HCO3-CO2 BuffersH+ A-CO2 CellsBloodKidneyLungsFluids, Electrolytes, and Acid-Base Status in CriticalIllnessLaura Ibsen, Gas Analysis--Insight into the Acid-Base status of thePatientThe blood gas consists of pH-negative log of the Hydrogen ion concentration: -log[H+].(also, pH=pK+log [HCO3]/ x pCO2). The pH is always a product of two components,respiratory and metabolic, and the metabolic component is judged, calculated, or computedby allowing for the effect of the pCO2, ie, any change in the pH unexplained by the pCO2indicates a metabolic +H0 HCO HCO+ H22233- +CO2 and water form carbonic acid or H2CO3, which is in equilibrium with bicarbonate(HCO3-)and hydrogen ions (H+). A change in the concentration of the reactants on eitherside of the equation affects the subsequent direction of the reaction.
Acid-Base Physiology Buffers H+ A-HCO3-CO2 Buffers H+ A-CO2 Cells Blood Kidney Lungs Fluids, Electrolytes, and Acid-Base Status in Critical Illness Laura Ibsen, M.D. Blood Gas Analysis--Insight into the Acid-Base status of the
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