ISBN: | 978-5-5123-9637-7 |
High Quality Content by WIKIPEDIA articles! A persistent vegetative state is a disorder of consciousness in which patients with severe brain damage are in a state of partial arousal rather than true awareness. It is a diagnosis of some uncertainty in that it deals with a syndrome. After four weeks in a vegetative state (VS), the patient is classified as in a persistent vegetative state. This diagnosis is classified as a permanent vegetative state (PVS) after approximately 1 year of being in a persistent vegetative state.