Primary outcome measure
Bradycardia, Hypotension, Desaturation
EVENT, HEART
Incidence and type of any event occurring during the MRI procedure requiring temporary or definitive interruption of the examination to allow anesthesiologist intervention:
Bradycardia, defined as a decrease of 2 standard deviations below normal for age, as described by the American Heart Association (AHA) in the Pediatric Advanced Life Support (PALS) manual, and which requires intervention by the anesthesiologist in charge of the patient to improve heart rate and cardiac output [Hypotension, defined as a systolic blood pressure below the 5.th percentile for age, as described by the AHA in the PALS manual, and which requires intervention by the anesthesiologist in charge of the patient to improve blood pressure [Desaturation under 95%, defined as moderate if SpO2 is below 95%, and severe if below 90% [Involuntary movements before the end of the examination