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
According to revised guidelines of American hea association, which of the following drugs is not recommended in Cardiac arrest 
Select and explain. 
A. Adrenaline, B. Atropine, C. Amiodarone, D. Vasopressin
B: Atropine
Answer: B: Atropine 
Explanation: Answer- B. Atropine"Atropine is no longer recommended for PEA or crystale