Pseudocholinesterase and Dibucaine Number
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CHS, PCHE, AcCHS.
To assess for pseudocholinesterase deficiency to assist in diagnosing a congenital deficiency. Special attention must be given to results for preoperative patients because positive results indicate risk for apnea with use of succinylcholine as an anesthetic drug.
Plasma collected in a lavender-top (EDTA) tube. Serum collected in a red-top tube is also acceptable.
(Method: Spectrophotometry, kinetic)
|Dibucaine Number||Fraction (%) of Activity Inhibited|