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Updated: May 25, 2026

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
Published on: February 6, 2019
[Arrhythmogenic effects of alcohol]
A Krasniqi1, I Bostaca, Corina Dima-Cosma
1Centrul Clinic Universitar Prishtine, Kosovo.
Excessive alcohol consumption can cause serious heart rhythm problems, including atrial fibrillation and conduction disturbances. These cardiac issues can occur in both healthy individuals and those with pre-existing heart conditions.
Area of Science:
- Cardiology
- Toxicology
Context:
- Excessive alcohol intake is a known risk factor for cardiovascular disease.
- Alcohol's detrimental effects on cardiac tissue can lead to arrhythmias and cardiomyopathy.
Purpose:
- To analyze electrocardiogram (ECG) changes and cardiac rhythm/conduction disturbances in patients with acute or chronic excessive alcohol consumption.
Summary:
- The study found permanent atrial fibrillation (61%) as the most common arrhythmia. Ventricular arrhythmias and conduction disturbances (LBBB, RBBB) were also observed, particularly in patients with a history of heavy, long-term alcohol use and deteriorated cardiac function.
- Arrhythmias often appeared after excessive alcohol intake and could resolve with abstinence or treatment, while conduction issues were linked to chronic heavy consumption and advanced heart failure.
Impact:
- Highlights the significant cardiac risks associated with excessive alcohol consumption.
- Informs clinical practice regarding the diagnosis and management of alcohol-induced cardiac conditions.
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