October 27, 2015

Drugged Driving DWI Detection and Standardized Field Sobriety Testing • Phencyclidine (PCP) • Ketamine • Dextromethorphan Dissociative Anesthetics

Session Overview – Introduction to Drugged Driving
DWI Detection and Standardized Field Sobriety Testing
Phencyclidine (PCP)
Ketamine
Dextromethorphan
Dissociative Anesthetics
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Dissociative Anesthetics
Dissociative Anesthetics is the category of drugs that includes PCP, its various analogs,
and Dextromethorphan (DXM).
PCP is a synthetic drug that was first developed as an intravenous anesthetic.
Because PCP produces very undesirable side effects, it is no longer legally
manufactured. However, an analog (chemical cousin) Ketamine is still being legally
manufactured and available.
However, it is easy to manufacture:
• The formula for making PCP and PCP analogs have been widely publicized.
• The manufacturing process involves readily available chemicals.
Many Dissociative Anesthetic users smoke the drug, by using it to adulterate tobacco,
marijuana, or various other substances.
Dissociative Anesthetics can also be taken orally or by injection, or inhaled.
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HS 178 R5/13 19 of 29
Session Overview – Introduction to Drugged Driving
DWI Detection and Standardized Field Sobriety Testing
Warm to the touch
Perspiring
Blank stare
Repetitive speech
Incomplete verbal responses
Confused
Muscle rigidity
Possibly violent & combative
Indicators of Dissociative
Anesthetic Influence
1-26
General Indicators of Dissociative Anesthetics:
Dissociative Anesthetics cans also be taken orally or by injection, or inhaled.
• Warm to the touch
• Perspiring
• Blank stare
• Repetitive speech
• Incomplete verbal responses
• Confused
• Muscle rigidity
• Possibly violent & combative
Eye Indicators of Dissociative Anesthetic influence:
• Horizontal gaze nystagmus generally will be present, often with very early onset and
very distinct jerking.
• Vertical nystagmus generally will be present.
• Pupil Size usually will not be affected.
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Source: DWI Detection and
Standardized Field
Sobriety Testing
March 2013 Edition
HS 178 R5/13 20 of 29

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