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Related Experiment Videos

Torsade de pointes after inhaled pentamidine.

M B Engrav1, G Coodley, A R Magnusson

  • 1Oregon Health Sciences University, Portland.

Annals of Emergency Medicine
|November 1, 1992
PubMed
Summary

A case report highlights that inhaled pentamidine can trigger torsade de pointes, a dangerous heart rhythm, in HIV-positive patients. This condition was resistant to standard treatments, emphasizing the need for physician awareness.

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Area of Science:

  • Cardiology
  • Infectious Diseases

Background:

  • Human Immunodeficiency Virus (HIV) infection can predispose individuals to cardiac complications.
  • Certain medications used in HIV management may have cardiotoxic effects.

Observation:

  • A 40-year-old HIV-positive male presented with recurrent episodes of torsade de pointes.
  • The patient had recently received inhaled pentamidine prior to symptom onset.

Findings:

  • The episodes of torsade de pointes were refractory to conventional therapeutic interventions.
  • Comprehensive evaluation including laboratory work, echocardiography, and computed tomography scan was performed.
  • The case underscores a potential association between pentamidine administration and the development of torsade de pointes.

Implications:

  • Physicians should maintain a high index of suspicion for pentamidine-induced torsade de pointes in at-risk populations.
  • Awareness of this adverse drug reaction is crucial for prompt diagnosis and management.
  • Further research may be warranted to elucidate the mechanism of pentamidine cardiotoxicity.

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