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Related Experiment Videos

T wave inversion associated with severe theophylline toxicity.

S A Kolander1, C C Nydegger, R S Porter

  • 1Department of Medicine, Hahnemann University Hospital, Philadelphia 19102.

Chest
|August 1, 1989
PubMed
Summary

Severe theophylline poisoning can cause cardiovascular issues. This case highlights T wave inversion, a previously undescribed primary ST-T change, which resolved with treatment.

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Area of Science:

  • Cardiology
  • Clinical Toxicology

Background:

  • Theophylline is a medication used for respiratory diseases.
  • Adverse cardiovascular effects are known complications of severe theophylline poisoning.
  • Primary ST-T wave changes have not been previously documented in theophylline toxicity.

Observation:

  • A 33-year-old woman with severe theophylline toxicity presented with T wave inversion.
  • The patient had no pre-existing organic heart disease.
  • The T wave inversion resolved following appropriate medical treatment.

Findings:

  • Severe theophylline poisoning can manifest as primary T wave inversion.
  • This ECG abnormality is reversible with treatment.
  • This represents a novel finding in the context of theophylline toxicity.

Implications:

  • Physicians should consider T wave abnormalities in the differential diagnosis of ECG changes in severe theophylline poisoning.
  • This finding expands the spectrum of known cardiovascular effects of theophylline.
  • Early recognition and treatment of theophylline toxicity are crucial to prevent potentially serious cardiac complications.

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