Table 2
Concomitant treatment
Drug
Number of patients treated
Daily dose
Digoxin
13/13
0.125–0.25 mg
Frusemide
13/13
25–125 mg
Warfarin
11/13
4–6 mg
Nifedipine
3/13
40–60 mg
Enalapril
2/13
5 mg
Nitrates
2/13
60–80 mg
Amiodarone
1/13
200 mg