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: Anaesthesia
Anesthesia of choice in child with cyanotic hea disease? 
Select and explain. 
A. Propofol, B. Ketamine, C. Thiopentone, D. Sevoflurane
B: Ketamine
Answer: B: Ketamine 
Explanation: Ketamine REF: Morgan 4'h ed p. 935 Anesthesia of choice for congenital hea disease Left to right shunt (Acynotic) Sevoflurane Right to left shunt (Cyanotic) Retamine