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Related Experiment Videos

Asymptomatic bradycardia associated with amisulpride.

F Pedrosa Gil1, R Grohmann, E Rüther

  • 1Department of Psychiatry, Z.f.P. Weinsberg, Germany. pedrosa@mpigsykl.mpg.de

Pharmacopsychiatry
|January 5, 2002
PubMed
Summary

Amisulpride, an antipsychotic, rarely causes cardiac issues. This case report details a patient who developed asymptomatic bradycardia and QT prolongation, which resolved upon reducing the amisulpride dosage.

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Area of Science:

  • Psychiatry
  • Cardiology
  • Pharmacology

Background:

  • Amisulpride is an atypical antipsychotic used for schizophrenia.
  • Known adverse effects include gastrointestinal, endocrine, and extrapyramidal symptoms.
  • Cardiac complications are rare, with only a few case reports on QT prolongation and arrhythmias.

Observation:

  • A 25-year-old male with chronic paranoid-hallucinatory schizophrenia developed asymptomatic bradycardia and QT prolongation.
  • These cardiac changes occurred after switching from clozapine to therapeutic doses of amisulpride (800 mg/d).
  • Cardiovascular diagnostics were unremarkable, and the patient reported no symptoms.

Findings:

  • Electrocardiogram (ECG) revealed sinus bradycardia and QT prolongation.
  • Reducing the amisulpride dose to 600 mg/d led to rapid normalization of the ECG, blood pressure, and pulse rate.

Related Experiment Videos

  • Bradycardia is a potential, albeit rare, adverse effect of amisulpride treatment.

    • Implications:

    • This case highlights bradycardia as a rare but possible cardiac complication of amisulpride.
    • Clinicians should monitor for cardiac effects, including bradycardia, in patients treated with amisulpride.
    • Further research is warranted to understand the incidence and mechanisms of amisulpride-induced bradycardia.