because of conflicting results from studies examining the usefulness of digoxin in congestive heart failure ( chf ) patients in sinus rhythm , a cross-over trial was conducted in which 20 patients received 7 weeks of digoxin titrated to a level of 1.54 to 2.56 nmol/liter and 7 weeks of matched placebo .
C0012265
digoxin
C0018802
congestive heart failure