Brain cell dehydration

Increased extracellular fluid osmotic pressure can cause a series of symptoms of central nervous system dysfunction when brain cells are dehydrated, including drowsiness, muscle convulsions, coma, and even death. Belongs to hypertonic dehydration. When the brain volume is significantly reduced due to dehydration, the vascular tension between the skull and the cerebral cortex increases, which can lead to venous rupture and local intracerebral hemorrhage and subarachnoid hemorrhage.