<prompt> Therapeutic plasma level of digoxin is0.1-0.3 ngml0.5-1.4 ngml1.2 to 2 ngmlMore than 2.4 ngml  <response>: Oral absorption of digoxin is 60-80 Plasma half-life is about 40 hrsToxic concentration is 2ngmlRef: Essentials of medical pharmacology, K.D Tripathi, 7th edition 