October 27, 2015

Drugged Driving DWI Detection and Standardized Field Sobriety Testing • Heroin • Morphine • Codeine • Synthetic Opiates (e.g., Demerol, Methadone, Fentanyl) Narcotic Analgesics

Session Overview – Introduction to Drugged Driving
DWI Detection and Standardized Field Sobriety Testing
Heroin
Morphine
Codeine
Synthetic Opiates (e.g., Demerol,
Methadone, Fentanyl)
Narcotic Analgesics
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Narcotic Analgesics
Narcotic Analgesics include a large number of drugs that share three important
characteristics:
• They will relieve pain.
• They will produce withdrawal signs and symptoms, when the drug is stopped after
chronic administration.
• They will suppress the withdrawal signs and symptoms of chronic morphine
administration.
Some drugs classified as Narcotic Analgesics are natural derivatives of opium:
• Heroin
• Morphine
• Codeine
Some are synthetic narcotic analgesics, such as:
• Demerol
• Methadone
• Numorphan
• Fentanyl
• OxyContin
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HS 178 R5/13 21 of 29
Session Overview – Introduction to Drugged Driving
DWI Detection and Standardized Field Sobriety Testing
An important characteristic of narcotic
analgesics is that users develop
tolerance to them
“Tolerance” means that the same dose of
the drug will produce diminishing effects,
or that a steadily larger dose is needed to
produce the same effects
“Tolerance”
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Tolerance
• An important characteristic of narcotic analgesics is that users develop tolerance to
them. “Tolerance” means that the same dose of the drug will produce diminishing
effects, or that a steadily larger dose is needed to produce the same effects. A
tolerant user who has taken his or her “normal” dose of heroin (for example), may
exhibit little or no evidence of physical impairment.
Session Overview – Introduction to Drugged Driving
DWI Detection and Standardized Field Sobriety Testing
“On the nod”
Droopy eyelids
Depressed reflexes
Dry mouth
Facial itching
Low, raspy speech
Fresh puncture marks may be evident
Indicators of
Narcotic Analgesic Influence
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General indicators of Narcotic Analgesic influence:
• “On the nod”
• Droopy eyelids
• Depressed reflexes
• Dry mouth
• Facial itching
• Low, raspy speech
• Fresh puncture marks may be evident
Eye indicators of Narcotic Analgesic influence:
• Neither horizontal nor vertical nystagmus will be present
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HS 178 R5/13 22 of 29
• Pupils generally will be constricted
Session Overview – Introduction to Drugged Driving
DWI Detection and Standardized Field Sobriety Testing
Glue
Paint
Gasoline
Aerosol sprays
Nitrous Oxide
Ether
Amyl Nitrate
Inhalants
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Inhalants
Inhalants are breathable chemicals that produce mind-altering results.
Inhalants include many familiar household materials, such as glue (“Toluene”), paint,
gasoline, aerosol sprays, etc. that produce volatile fumes.
Some drugs that are classified as Inhalants include:
• Glue (i.e., model airplane glue, Toluene)
• Paint
• Gasoline
• Aerosol sprays (i.e., vegetable frying pan lubricants, hair sprays, insecticides)
• Nitrous Oxide
• Ether
• Amyl Nitrate
Certain anesthetics also may be used as inhalants.
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HS 178 R5/13 23 of 29
Session Overview – Introduction to Drugged Driving
DWI Detection and Standardized Field Sobriety Testing
Disorientation
Slurred speech
Residue of substance on face, hands,
clothing
Confusion
Possible nausea
Indicators of Inhalant Influence
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General indicators of Inhalant influence:
• Disorientation
• Slurred speech
• Residue of substance on face, hands, clothing
• Confusion
• Possible nausea
Eye indicators of Inhalant influence:
• Horizontal gaze nystagmus generally will be present.
• Vertical nystagmus may be present (especially with high doses).
• Pupil size generally will not be effected.
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Source: DWI Detection and
Standardized Field
Sobriety Testing
March 2013 Edition
HS 178 R5/13 24 of 29

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