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
Adam stokes syndrome is caused due to: 
Select and explain. 
A. Atrial fibrillation, B. Atrial extrasystole, C. Complete AV block, D. Ventilation fibrillation
D: Ventilation fibrillation
Answer: D: Ventilation fibrillation 
Explanation: None