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: Surgery
Nicoladoni branham sign is ? 
Select and explain. 
A. Compression cause bradycardia, B. Compression cause tachycardia, C. Hypotension, D. Systolic filling
A: Compression cause bradycardia
Answer: A: Compression cause bradycardia 
Explanation: Answer is 'a' i.e. Compression cause bradycardia