Quinidine - serum
Last updated: Saturday, 20, March, 2004
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5 mL blood in plain tube, collected as trough level immediately prior to next dose.
Chromatography, fluorometry, immunoassay.
| Therapeutic Interval|
7-15 µmol/L (2.3-4.8 mg/L).
24 to 48 hours should elapse prior to retesting after dose adjustment. Mean half-life 7 hours (range 4-12 hours).
Level must be related to time since last dose.
Ochs HR et al. Clin Pharmacokinet 1980; 5: 150-168.