GRADED A+
BEER 12 oz , 4% - 0.48 pure
WINE 4 oz , 12% , -0.48 pure
WHISKEY 1 ¼ oz , 40% alc 0.50 eth
PHASE 1 VEHICLE IN MOTION
SHOULD I STOP VEHICLE?
PHASE 2 PERSONAL CONTACT
COULD I TAKE OUT OF CAR?
PHASE 3 PRE-ARREST SCREENING
SHOULD I ARREST?
ADMINISTRATIVE for HGN? Equal pupil size
Equal tracking
2 STAGES TO WALK AND TURN INSTRUCTION
WALK & TURN
2 STAGES TO ONE LEG STAND INSTRUCTION
BALANCE / COUNTING
WALK AND TURN 8 Clues B - Loss Of Balance
, S - Starts To Soon
S - Stops while walking
O - Steps Offline
W - Wrong # Of Steps
H - Fails Heel To Toe
A - Uses Arms For Balance
T - Improper Turn
ONE LEG STAND 4 Clues P - Puts Foot Down
U - Uses Arms For Balance
S - Sways
H - Hopping
HORIZONTAL GAZE NYSTAGMUS TEST EQUAL PUPIL SIZE
EQUAL TRACKING
1.) LACK OF SMOOTH PURSUIT
2.) DISTINCT & SUSTAINED NYSTAGMUS AT MAXIMUM DEVIATION
3.) ONSET OF NYSTAGMUS PRIOR TO 45 DEGREES
NON-SCIENTIFICALLY VALIDATED: (VGN) VERTICAL GAZE NYSTAGMUS
4 out of 6 clues HGN 88%
2 out of 8 clues Walk & Turn 79%
2 out of 4 clues One Leg Stand 83%