West Haven Criteria for Altered Mental Status in Hepatic Encephalopathy

West Haven criteria for altered mental status in hepatic encephalopathy

Grade 0 Minimal hepatic encephalopathy, lack of detectable changes in personality or behavior; no asterixis.

Grade 1 Trivial lack of awareness, shortened attention span, sleep disturbance, altered mood, and slowing the ability to perform mental tasks; asterixis may be present.

Grade 2 Lethargy or apathy, disorientation to time, amnesia of recent events, impaired simple computations, inappropriate behavior, and slurred speech; asterixis is present.

Grade 3 Somnolence, confusion, disorientation to place, bizarre behavior, clonus, nystagmus, and positive Babinski sign; asterixis usually absent.

Grade 4 Coma, lack of verbal, eye, and oral response to stimuli.


Emergency Management in Neurocritical Care: Chapter 17 Metabolic Encephalopathies, by Edward Manno

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s