Which of the Following Is Not Part of the Prevention

Which of the following is not part of the prevention or treatment of delirium?

A) Low dose melatonin to reduce the incidence of delirium in people admitted to acute medical units.
B) Low dose haloperidol to reduce the incidence and severity of post-operative delirium.
C) Low dose, short-term psychotropic medications to treat delirium when agitation is present.
D) Progressive muscle relaxation to help calm patients with delirium who are showing high levels of agitation.
E) Investigation and targeting of the original trigger for the delirium.