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Electrocardiogram Changes with Acute Alcohol Intoxication: A Systematic Review.

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Area of Science:

  • Cardiology
  • Toxicology

Background:

  • Acute alcohol intoxication is linked to cardiac arrhythmias.
  • Electrocardiogram (ECG) changes are not well-defined in existing literature.

Purpose of the Study:

  • To review evidence on ECG changes from acute alcohol intoxication in healthy individuals.
  • To explore the underlying pathophysiology of these cardiac alterations.

Main Methods:

  • A literature search was conducted.
  • Four studies focusing on ECG changes and acute alcohol intoxication were included.

Main Results:

  • P-wave prolongation occurred in 63.8% of patients.
  • QTc prolongation was observed in 56% of patients.
  • T-wave abnormalities (13.5%), QRS complex prolongation (7%), and ST-segment depressions (2.12%) were also noted.

Conclusions:

  • The most frequent ECG changes are P-wave and QTc prolongation.
  • T-wave abnormalities and QRS complex prolongation are less common.
  • These alcohol-induced ECG changes are typically reversible.