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DRE Matrix
General Indicators
| Question | Answer |
|---|---|
| CNS Depressants - HGN | Present |
| CNS Depressants - VGN | Present |
| CNS Depressants - Lack of Convergence | Present |
| CNS Depressants - Pupil Size | Normal 1. Soma, quaaludes, and some anti-depressants may dilate. |
| CNS Depressants - Reaction to Light | Slow |
| CNS Depressants - Pulse Rate | Down 2. Quaaludes, ETOH, and some anti-depressants usually elevate. |
| CNS Depressants - Blood Pressure | Down |
| CNS Depressants - Body Temperature | Normal |
| CNS Depressants - General Indicators | Disoriented, Droopy Eyelids, Drowsiness, Drunk-like Behavior, Gait Ataxia, thick slurred speech, Flaccid Muscle Tone, Slow sluggish reactions, uncoordinated |
| CNS Depressants - Duration of Effects Barbiturates Tranquilizers | Barbiturates 1- 16 hrs Tranquilizers |
| CNS Stimulants - HGN | Not Present |
| CNS Stimulants - VGN | Not Present |
| CNS Stimulants - Lack of Convergence | Not Present |
| CNS Stimulants - Pupil Size | Dilated |
| CNS Stimulants - Reaction to Light | Slow |
| CNS Stimulants - Pulse Rate | Up |
| CNS Stimulants - Blood Pressure | Up |
| CNS Stimulants - Body Temperature | Up |
| CNS Stimulants - General Indicators | Anxiety, Body tremors, Dry mouth, Euphoria, Exaggerated Reflexes, excited, eyelid tremors, bruxism, rigid muscle tone, increased alertness, insomnia, redness to nasal area, restlessness, runny nose, talkative |
| Hallucinogens - HGN | Not Present |
| Hallucinogens - VGN | Not Present |
| Hallucinogens - Lack of Convergence | Not Present |
| Hallucinogens - Pupil Size | Dilated |
| Hallucinogens - Reaction to Light | Normal |
| Hallucinogens - Pulse | Up |
| Hallucinogens - Blood Pressure | Up |
| Hallucinogens - Body Temperature | Up |
| Hallucinogens - General Indicators | Body tremors, dazed appearance, difficulty with speech, disoriented, flashbacks, hallucinations, memory loss, nausea, paranoia, perspiring, poor perception of time and distance, rigid muscle tone, synesthesia, uncoordinated |
| Dissociative Anesthetics - HGN | Present |
| Dissociative Anesthetics - VGN | Present |
| Dissociative Anesthetics - Lack of Convergence | Present |
| Dissociative Anesthetics - Pupil Size | Normal |
| Dissociative Anesthetics - Reaction to light | Normal |
| Dissociative Anesthetics - Pulse | Up |
| Dissociative Anesthetics - Blood Pressure | Up |
| Dissociative Anesthetics - Body Temperature | Up |
| Dissociative Anesthetics - General Indicators | Blank stare, confused, Chemical odor, Cyclic behavior, Difficulty with speech, Disoriented, Early HGN onset, Hallucinations, Incomplete verbal response, Increased pain threshold, loss of memory, "Moon walking", Non-communicative, Perspiring, rigid muscle |
| Narcotic Analgesics - HGN | Not Present |
| Narcotic Analgesics - VGN | Not Present |
| Narcotic Analgesics - Lack of Convergence | Not Present |
| Narcotic Analgesics - Pupil Size | Constricted |
| Narcotic Analgesics - Reaction to light | Little to none visisble |
| Narcotic Analgesics - Pulse Rate | Down |
| Narcotic Analgesics - Blood Pressure | Down |
| Narcotic Analgesics - Body Temperature | Down |
| Narcotic Analgesics - General Indicators | Constricted pupils, Depressed reflexes, droopy eyelids, dry mouth, euphoria, facial itching, flaccid muscle tone, nausea, "on the nod", puncture marks, slow low raspy speech, slowed breathing |
| Inhalants - HGN | Present |
| Inhalants - VGN | Present (High doses) |
| Inhalants - Lack of Convergence | Present |
| Inhalants - Pupil size | Normal |
| Inhalants - Reaction to light | slow |
| Inhalants - Pulse | Up |
| Inhalants - Blood Pressure | Down with anesthetic gases Up with aerosols and volatile solvents |
| Inhalants - Body Temperature | Up/Down/Normal |
| Inhalants - General Indicators | Bloodshot watery eyes, confusion, disoriented, flaccid or normal muscle tone, flushed face, intense headaches, lack of muscle control, non-communicative, odor of inhaled substance, possible nausea, residue of substance, slow thick slurred speech |
| Cannabis - HGN | Not Present |
| Cannabis - VGN | Not Present |
| Cannabis - Lack of convergence | Present |
| Cannabis - Pupil size | Dialated |
| Cannabis - Reaction to light | Normal |
| Cannabis - Pulse Rate | Up |
| Cannabis - Blood Pressure | Up |
| Cannabis - Body Temperature | Normal |
| Cannabis - General Indicators | Body tremors, disorientated, eyelid tremors, impaired perception of time and distance, increased appetite, marked reddening of the conjunctiva, odor of burnt marijuana, possible paranoia, relaxed inhibitions |