Lab Code : DIG
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 Target range in heart failure: 0.5-1.0 μg/L
Sample Required SST (gold top)
Take blood 6 hours post dose
Sample Volume 0.5 mL
Turnaround Time 1 day