Gastroscopy helps your doctor evaluate various symptoms that include persistent upper abdominal pain, nausea, vomiting or difficulty swallowing. It is an excellent test for finding and treating the cause of bleeding from the upper gastrointestinal tract.astroscopy helps your doctor evaluate various symptoms that include persistent upper abdominal pain, nausea, vomiting or difficulty swallowing. It is an excellent test for finding and treating the cause of bleeding from the upper gastrointestinal tract.
Cerebrospinal fluid (CSF) is a watery fluid that circulates through the brainâs ventricles (cavities or hollow spaces) and around the surface of the brain and spinal cord. A CSF leak is a condition that occurs when the CSF leaks through a defect in the dura or the skull and out through the nose or ear.erebrospinal fluid (CSF) is a watery fluid that circulates through the brainâs ventricles (cavities or hollow spaces) and around the surface of the brain and spinal cord. A CSF leak is a condition that occurs when the CSF leaks through a defect in the dura or the skull and out through the nose or ear.
Cerebrospinal fluid (CSF) is a clear, colorless body fluid found in the brain and spine. It is produced in the choroid plexuses of the ventricles of the brain.It acts as a cushion or buffer for the brain's cortex, providing basic mechanical and immunological protection to the brain inside the skull.ydrocephalus is an abnormal accumulation of cerebrospinal fluid (CSF) in the ventricles, or cavities, of the brain, which may cause increased intracranial pressure (ICP) inside the skull. It may lead to enlargement of the cranium if hydrocephalus occurs during development.