hypoactive delirium

Etiology

• uncontrolled pain
• pharmaceuticals
  • parasympatholytics

Epidemiology

• postoperative common, especially after nerve block wears off
• accounts for ~50% of delirium cases

Clinical manifestations

• features of delirium & depression
  • hypersomnia & inattention

Differential diagnosis

• depression vs hypoactive delirium
  • depression must be present for at least 2 weeks

Management

• treatment pain
• non-pharmacologic manamgement of delirium
• antipsychotics not indicated in the absence of agitated delirium with patient presenting risk to themselves or others

More general terms

• delirium (acute confusional state)