1. Digoxin and the Exercise Electrocardiogram
Richard F. Adair, M.D., Herman K. Hellerstein, M.D., Lawrence W. White, M.D. 
CHEST 
Volume 74, Issue 6, Pages (December 1978)
DOI: /chest b
Copyright © 1978 The American College of Chest Physicians Terms and Conditions

2. FIGURE 1
Mean STB displacement at different heart rates in subjects receiving three different dosages of digoxin. Comparing group receiving 0.5 mg of digoxin daily to group receiving placebo, mean STB displacement was significantly different at heart rates that were 50 to 80 percent of maximal, but not at higher heart rates.
CHEST  , DOI: ( /chest b)
Copyright © 1978 The American College of Chest Physicians Terms and Conditions