Abstract
Flecainide, mexiletine, propafenone, and amiodarone are antiarrhythmic drugs that are used primarily in the treatment of cardiac arrhythmias. The monitoring of the use of these drugs has applications in therapeutic drug monitoring and overdose situations. LC-MS/MS is used to analyze plasma/serum extracts with loxapine as the internal standard to ensure accurate quantitation and control for any potential matrix effects. Positive ion electrospray is used to introduce the analytes into the mass spectrometer. Selected reaction monitoring of two product ions for each analyte allows for the calculation of ion ratios which ensures correct identification of each analyte, while a matrix matched calibration curve is used for quantitation.
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Slawson, M.H., Johnson-Davis, K.L. (2016). Quantitation of Flecainide, Mexiletine, Propafenone, and Amiodarone in Serum or Plasma Using Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS). In: Garg, U. (eds) Clinical Applications of Mass Spectrometry in Drug Analysis. Methods in Molecular Biology, vol 1383. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-3252-8_2
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DOI: https://doi.org/10.1007/978-1-4939-3252-8_2
Publisher Name: Humana Press, New York, NY
Print ISBN: 978-1-4939-3251-1
Online ISBN: 978-1-4939-3252-8
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