DUI DWI Drug or Drugs Arrests - Drugged Driving Impairment Chart

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INDICATORS OF DRUG IMPAIRMENT:

GENERAL INDICATORS OF IMPAIRMENT: Depressants Stimulants PCP Hallucinogens Narcotics Inhalants THC
Odor of Drug/Chemical     x       x
Thick or Slurred Speech

x

  x x x x  
Sluggish/Sedated x       x   x
Euphoria   x x   x    
Disorientation x   x x   x x
Muscle Rigidity.     x x      
PSYCHOPHYSICAL INDICATORS OF IMPAIRMENT: Depressants Stimulants PCP Hallucinogens Narcotics Inhalants THC
Divided Attention Impairment x x x x x x x
Poor Balance/Coordination x     x x x x
Slow Internal Clock x   x       x
Accelerated Internal Clock   x          
Rapid/Jerky Movements   x          
Rapid Heartbeat   x   x      
Body Temperature down  arrow up  arrow up  arrow up  arrow down  arrow up-down arrow up  arrow
Pulse down  arrow up  arrow up  arrow up  arrow down  arrow up  arrow up  arrow
Blood Pressure down  arrow up  arrow up  arrow up  arrow down  arrow up-down arrow up  arrow
EYE INDICATORS OF IMPAIRMENT: Depressants Stimulants

PCP

Hallucinogens Narcotics Inhalants

THC

Horizontal Gaze Nystagmus x   x     x  
Vertical Gaze Nystagmus x /N   x     x  
Dilated Pupils   x   x   x x /N
Constricted Pupils         x    
Light Sensitivity   x          
Bloodshot Red Eyes x           x
Difficulty Focusing   x         x
Blank Stare/Dazed     x x   x  
Droopy Eyelids x       x    
Reaction to Light SLOW SLOW NORMAL SLOW LITTLE SLOW NORMAL
Last Updated: 1/22/03.

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