Digoxin
| Category | Biochemistry |
|---|---|
| Test background |
Digoxin is administered for the treatment of heart failure in addition to supraventricular arrhythmias (particularly atrial fibrillation and atrial flutter). |
| Clinical Indications |
Therapeutic drug monitoring Suspected toxicity caution: low potassium (diuretics), thyroid disease, renal impairment or recent myocardial infarction. Contraindicated in hypertrophic cardiomyopathy, intermittent heart-block, ventricular tachycardia |
| Reference range | Normal: 0.5-2.0 μg/L |
| Sample & container required | SST (gold top) |
| Sample volume | 0.5 mL |
| Sample collection | Take blood 6 hours post dose |
| Turnaround time | 1 day |