Importance

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Abstract

The invention relates to a method for compensating measured concentration values of a first chemical compound (A) within a first internal tract (1*) of a patient, which concentration values (P.sub.A) are rendered by a second chemical compound (B), which is becoming present in the body of said patient, to deviate from actual concentration when mixing with the first chemical compound within said first internal tract. Concentration values (E.sub.B) of at least said second chemical compound (B) in a second tract (2*) of said patient is measured or derived several times and estimated concentration values (C.sub.B) of said second chemical compound is determined simulating its non-detected concentrations in said first internal tract of the patient. The measured initial concentration values (P.sub.A) of said first chemical compound (A) in the first internal tract (1*) is corrected by a compensating factor (Fc), whereafter said successive and corrected concentration values (C.sub.A) are the respective one for display and/or further use.

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First Claim