This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
A chronic alcoholic develops palpitations suddenly after an alcohol binge. His pulse is irregularly irregular Which of the following arrhythmia is most commonly associated with alcohol binge in the alcoholics? 
Select and explain. 
A. Ventricular fibrillations, B. Vetricular premature contractions, C. Atrial flutter, D. Atrial fibrillation
D: Atrial fibrillation
Answer: D: Atrial fibrillation 
Explanation: None