Because people in a coma can't express themselves, doctors must rely on physical clues and information provided by families and friends. Be prepared to provide information about the affected person, including: Events leading up to the coma, such as vomiting or headaches
What is Retzius Space? Also called Retropubic space, Prevesical space or cave of Retzius. It is an extraperitoneal space located posterior to the pubic symphysis and anterior to the urinary bladder. It is separated from the anterior abdominal wall by the transversalis fascia and extends to the level of the umbilicus.
The upper limit of the epidural space is the foramen magnum, which is the point where the spine meets the base of the skull. The lower limit is at the tip of the sacrum, at the sacrococcygeal membrane.In the head, the dura is continuous with the periosteum, the tough fibrous lining of the inside of the skull.This means that, in the head, the epidural space is known as a potential space, which means that normally it does not exist.In rare circumstances, a torn artery (e.g. the middle meningeal artery) may cause bleeding which is sufficient to separate both the dura and periosteum from the bone; this is an epidural hematoma.he upper limit of the epidural space is the foramen magnum, which is the point where the spine meets the base of the skull. The lower limit is at the tip of the sacrum, at the sacrococcygeal membrane.