Phenothiazines can cause nearly fatal sustained supraventricular tachycardia, highlighting the need for awareness of severe cardiac adverse effects.
Psychotropic medications, mainly phenothiazines, are known to be associated with cardiac insult. The case report presented here describes nearly fatal arrhythmia (sustained supraventricular tachycardia) consequent to phenothiazine treatment. The authors aim to alert psychiatrists to the possible adverse, and even fatal, effects of phenothiazines.
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Durst et al. (1994) studied this question.
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