Guidelines to Therapeutic Drug Monitoring

Digoxin. At least 6-8hr after the last dose, or prior to the next daily dose. CHF: 0.8-2 ng/ml . Arrhythmias: 1.5-2.5 ng/ml . Atrial fibrillation: may need 2-4 ng/ml. ~7 days (15-20 days in end stage renal disease) Gentamicin. Peak: 30min after the end of infusion, or 1hr after IM injection. Trough: prior to the next dose Once daily: P: 10-20 ... ................
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