[Cardiotoxicity of antipsychotic drugs: abnormal ECG in 1266 cases].

In this report, abnormal changes of 1266 ECG were assessed during antipsyhotic drugs medication. It was founded that cardiac dysrhythmia (sinus tachycardia) in the first place, T wave changes and depression of S-T segment in the next. The rate of abnormal ECG with chlorpromazine seemed to be higher than other drugs. Factors of dosage and time of treatment were non-significant.