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Isolated tramadol overdose associated with Brugada ECG pattern.

Jon B Cole¹, Srinivasan Sattiraju, Elisabeth F Bilden

¹Hennepin Regional Poison Center, Minneapolis, Minnesota, USA.

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|November 3, 2010

Summary

This summary is machine-generated.

Tramadol overdose can cause a Brugada ECG pattern, indicating sodium-channel blockade. This is the first reported human case, highlighting a new risk in suicidal intoxication with this common pain medication.

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Area of Science:

Cardiology
Clinical Toxicology
Pharmacology

Background:

Tramadol is a widely prescribed synthetic opioid analgesic.
Electrocardiogram (ECG) changes indicative of sodium-channel blockade are not commonly associated with tramadol overdose in humans.
Previous in vitro studies suggest tramadol can block sodium channels at high concentrations.

Observation:

This report details a case of isolated tramadol overdose.
The overdose was associated with the manifestation of a Brugada ECG pattern.
No prior human cases of tramadol overdose causing ECG changes consistent with sodium-channel blockade have been documented.

Findings:

Isolated tramadol overdose can induce a Brugada ECG pattern.
This ECG pattern is consistent with sodium-channel blockade.
The findings suggest a potential mechanism for cardiac toxicity in tramadol overdose.

Implications:

Tramadol overdose should be considered a potential cause of Brugada ECG pattern.
This recognition is crucial in managing cases of suicidal intoxication involving tramadol.
Further research may elucidate the precise electrophysiological effects of tramadol in overdose scenarios.