1. Common Risk Factors for Delirium
Precipitating
• New acute medical problem
• Exacerbation of chronic medical problem
• Surgery/anesthesia
• New psychoactive medication
• Acute stroke
• Pain
• Environmental change
• Urine retention/fecal impaction
• Electrolyte disturbances
• Dehydration
• Sepsis
Predisposing
• Advanced age
• Preexisting dementia
• History of stroke
• Parkinson disease
• Multiple comorbid conditions
• Impaired vision
• Impaired hearing
• Functional impairment
• Male sex
• History of alcohol abuse
Marcantonio, 2011.