Hello, the doctor. Our daughter (3 weeks) sometimes has a blue in...

[Vitaly]

Hello, the doctor.
Our daughter (3 weeks) sometimes has a blue around of a mouth. From what it can be. The nurse has told or said, that can something be connected with job of heart. Please, respond, what it is necessary to do or make?
In advance thanks.

[child]

Consultation of the children's cardiologist is necessary. Address in conference " the children's cardiologist " on this site. Success.