Causes of dementia
- CNS pathology: head trauma, hypertensive cerebral changes, seizures, tumors
- Endocrinopathies: thyroidism, parathyroidism
- Hypoxemia
- Hypothermia or hyperthermia
- Substance intoxication or abstinence and withdrawal states
- Exposure to certain metals, toxins, or drugs
- Metabolic: diabetic acidosis, hypoglycemia, acid-base imbalances
- Hepatic encephalopathy
- Thiamine deficiency
- Postoperative states
- Psychosocial stressors: relocation stress, sensory deprivation or overload, sleep deprivation, immobilization.