Traumatic brain injury (TBI) continues to be "the leading cause of death and disability in children" [1]. Computed tomography (CT) is the first line imaging study in every hospital emergency department. A delayed CT scan at 6-24 hours is typically performed as well. However, more recently, there has been interest in the use of a portable, bedside magnetic resonance (MR) scanner to avoid the additional radiation, to reduce the workflow demands of bundling and transporting children with TBI to a f...