<prompt> Your patient becomes restless and tells you she has a headache and feels nauseous during hemodialysis. Which complication do you suspect?InfectionDisequilibrium syndromeAir embolismAcute hemolysis  <response>: 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. 