You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Your patient becomes restless and tells you she has a headache and feels nauseous during hemodialysis. Which complication do you suspect? and explain in detail?
Disequilibrium syndrome is caused by a rapid reduction in urea, sodium, and other solutes from the blood. 
This can lead to cerebral edema and increased intracranial pressure (ICP). Signs and symptoms include a headache, nausea, restlessness, vomiting, confusion, twitching, and seizures.