Postoperative delirium
Many geriatric patients in an intensive care unit develop delirium, ranging from mild confusion to total psychotic disorientation. Many factors, including environmental and physiologic derangements, are responsible. Preexisting dementia, fluid and electro¬lyte imbalance, drugs, loss of sleep, frequent interruptions Tor nursing care, and loss of ability to keep track of time all contribute to disorien¬tation. [...]
