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5270 Involuntary Hold. Section 5720 is a section of the California Welfare and Institutions Code which refers to an additional 30 day hold for any psychiatric patient who remains gravely disabled after the first 14 days of treatment under a 5250 hold.
An involuntary twitch (referred to as Nystagmus) occurs whenever a person looks sideways at an angle greater than 45 degrees (triggering peripheral vision). However, people with a high BAC twitch when the light is held at less than 45 degrees. The procedure is known as the Horizontal Gaze Nystagmus (HGN) Test.