A<unk>  <unk>  or post-coma unresponsiveness (PCU) is a disorder of consciousness in which patients with severe brain damage are in a<unk>  of partial arousal rather than true awareness. After four weeks in a<unk><unk>  (VS), the patient is classified as being in a<unk> . This diagnosis is classified as a permanent<unk><unk>  some months (three in the US and six in the UK) after a non-traumatic brain injury or one year after a traumatic injury. The term unresponsive wakefulness syndrome may be alternatively used, as<unk><unk> " has some negative connotations among the public.
Persistent vegetative state
Emergence delirium
Excited delirium
Organic brain syndrome
Post-stroke depression
Diabetic coma
Vascular thalamic amnesia
Diencephalic syndrome