The latter is the basis of a challenge diagnostic test usually using ajmaline or procainamide.

后者是挑战诊断测试的基础，通常使用西萝芙木碱或普鲁卡因酰胺。

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The latter is the basis of a challenge diagnostic test usually using ajmaline or procainamide.

后者是挑战诊断测试的基础，通常使用西萝芙木碱或普鲁卡因酰胺。

youdao