A Simple Method for Quantification of Lidocaine and Its Metabolite Monoethylglycine Xylidide in Plasma

Pharmacokinetics of lidocaine after intravenous administration to cows

“…The samples in this study were analyzed over a 2‐day period and variability for quality control samples was <5%. Stability studies (Lopez et al. , 2010) indicate that MEGX and lidocaine plasma samples are stable for 6 months when stored at −20 °C and 90 days when stored at 4 °C.…”