Negative dromotropic drugs are not always effective and may not be well tolerated in heart failure patients.

负性传导药物往往无效，心衰患者对这类药物的耐受性往往较差。

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Negative dromotropic drugs are not always effective and may not be well tolerated in heart failure patients.

负性传导药物往往无效，心衰患者对这类药物的耐受性往往较差。

youdao