<prompt> Therapeutic plasma level of the digoxin is0.1-0.3 ngml0.8-1.5 ngml1.2-2 ngmlMore than 2.4 ngml  <response>: Ref-KDT 6e p497 Digitoxin digoxin Therapeutic plasma concentration 15-30ngml 0.5-1.4 ngml Toxic plasma concentraton 35 ngml 2.5 ngml 