<prompt> All are true about digoxin except:Causes bradycardia due to increased vagal toneActs by inhibiting NaK ATPase in myocardial fibresIt is 95 plasma protein boundPrimarily excreted unchanged by glomerular filtration  <response>: Ans. C It is 95 plasma protein boundRef: KDT 8the p559Plasma protein binding of digitoxin is high 95 whereas it is low 70-80 for digoxin. 