Which combination of factors is recognized as risk factors for delirium in advanced illness?

Study for ELNEC 4: Symptom Management in Palliative Care Test with flashcards and multiple choice questions. Hints and explanations included! Get ready for your exam!

Delirium in advanced illness is caused by several factors acting together, rather than a single culprit. When someone is frail or has limited physiological reserve, any added stress can push brain function into delirium. Dehydration contributes by causing electrolyte disturbances and reduced blood flow to the brain, which can disrupt attention and cognition. Infection triggers an inflammatory response that can alter brain signaling and lead to acute confusion. Sleep deprivation disrupts circadian rhythms and cognitive processing, making delirium more likely, especially in the hospital or care setting where disturbances are common. Because each of these factors can precipitate delirium and they often occur together, recognizing dehydration, infection, and sleep deprivation as risk factors captures the multifactorial nature of delirium in advanced illness. In practice, addressing reversible precipitants—ensuring adequate hydration, treating infections appropriately, and improving sleep and environmental factors—can help prevent or lessen delirium.