The severity of symptoms depends on whether the injury is mild, moderate or severe. 1  Mild traumatic brain injury, also known as a concussion, either doesn't knock you out or knocks you out for 30 minutes or less. 2  Moderate traumatic brain injury causes unconsciousness lasting more than 30 minutes. Symptoms of moderate traumatic brain injury are similar to those of mild traumatic brain injury but more serious and longer-lasting. Severe traumatic brain injury knocks you out for more than 24 hours.
Hitachi ID Systems, Inc. delivers access governance and identity administration solutions to organizations globally, including many of the Fortune 500 companies. The Hitachi ID Identity and Access Management Suite is a fully integrated solution for....
Welcome to the Hitachi Medical Systems America, Inc. MRI Anatomy and Positioning Series. Over the coming months, we will be offering teaching modules to allow users of Hitachi MRI scanners to polish their positioning skills and review the anatomy that should be seen on some common MRI exams.