I had recently attended a PICU study day and this topic was brought forward for discussion. There was mixed opinion amongst the participants. The neonatalogists were for 3:1 ratio for all neonates and Paediatricians were for 15:2 for all children (including neonates). The PICU team where I work, use 15: 2 for all children.
The APLS guidelines in UK donot distinguish it very clearly. In the APLS Manual, the recommendation is to use 15:2 for all infants (<1 year) but it is not clear what to do to for a week old infant admiited to Paediatric ward. I would personally do a CPR with 15:2 r
