Metabolic acidosis acute primary

As with the metabolic acid-base disturbances, there are two cardinal respiratory acid-base disturbances respiratory acidosis and respiratory alkalosis. These disorders are generated by a primary alteration in carbon dioxide excretion, which changes the concentration of carbon dioxide, and therefore the carbonic acid concentration in body fluids. A primary reduction in PaC02 causes a rise in pH (respiratory alkalosis), and a primary increase in PaC02 causes a decrease in pH (respiratory acidosis). Unlike the metabolic disturbances, for which respiratory compensation is rapid, metabolic compensation for the respiratory disturbances is slow. Hence these disturbances can be further divided into acute disorders, with a duration of minutes to hours that is too short for metabolic compensation to have occurred, and chronic disorders, that have been present long enough for metabolic compensation to be complete. 

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