efficacy was considered to be excellent in 3 cases ( complete disappearance of extrasystoles ) good in 3 cases ( more than 90 % decrease in the number of extrasystoles ) and poor in 3 cases ( these concerned two patients also resistant to all other anti-arrhythmic agents and one patient with an extreme variability of his arrhythmia from one day to another day ) .
C0340464
extrasystoles
C0003811
arrhythmia