Anaesthesia The most appropriate circuit for ventilating a spontaneously breathing infant during anaesthesia is? A jackson Rees modification of Ayre's T piece B Mapleson A or Magill's circuit C Mapleson C or Waters to and fro canister D Bains circuit 💡 Explanation The most appropriate circuit for ventilating a spontaneously breathing infant during anaesthesia is? ✓ Correct Answer: A. jackson Rees modification of Ayre's T piece