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From Carbon Monoxide Poisoning to Myocardial Infarction

Cristiana Camacho1, Fausto S Pinto1, Cláudio Gouveia1

  • 1Internal Medicine, Centro Hospitalar de Lisboa Ocidental, Lisbon, PRT.

Cureus
|January 29, 2024
PubMed

Insights

Acute carbon monoxide (CO) poisoning can cause myocardial injury, leading to ST-segment elevation and coronary artery occlusion. Early hyperbaric oxygen therapy may improve outcomes in these patients.

Area of Science:

  • Cardiology
  • Toxicology
  • Emergency Medicine

Background:

  • Myocardial injury is a recognized complication of acute carbon monoxide (CO) poisoning.
  • Limited research exists on the specific cardiac manifestations and management of CO poisoning.

Observation:

  • A 56-year-old male presented with severe CO poisoning.
  • Initial ECG showed ST-segment elevation (leads II, III, aVF) and elevated troponin-T.
  • Coronary angiography revealed right coronary artery occlusion.

Findings:

  • Hyperbaric oxygen therapy led to symptom improvement and ECG normalization.
  • The case demonstrates a link between CO poisoning, myocardial injury, and coronary artery occlusion.

Implications:

  • Highlights an under-recognized complication of CO intoxication.
  • Emphasizes the need for further research into optimal treatment strategies for CO-induced myocardial injury.
  • Suggests prompt cardiac evaluation in severe CO poisoning cases.

Keywords:
acute myocardial injurycarbon monoxidehyperbaric oxygen therapypoisoningst-elevation myocardial infarction (stemi)

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