Dr. Olivier Richer is a Hospital pediatrician, associated with the practice of general pediatrics and pediatric emergencies, Dr. Olivier Richer has developed a specialty in rheumatology and pediatric internal medicine. There is of course a continuum between these three activities (emergencies, general pediatrics, rheumatology) allowing optimal patient care. The topics covered in the conferences will allow practitioners to position themselves at the beginning of care and in the follow-up of these patients.