Disopyramide, procainamide, and quinidine are considered third-line agents in this situation.

这些情况下，双异、普鲁卡因和奎尼丁可为三线药物。

The clinician may consider disopyramide, procainamide, or quinidine on an individual basis.

临床医师基化考虑可能会选用双异、普鲁卡因或奎尼丁。