SFST Flashcards
What field test do we use ?
Sandiago field test
how far do we hold the pen in HGN?
12-15 inches
Three types of alcohol
1) Methanol alcohol
2) Isopropanol alcohol
3) Ethanol alcohol
DWI three phase detection
1) Vehicle in motion
2) Personal contact
3) Pre-arrest screening
Arrest decision:
1) Initial observation of the vehicle in operation
2) Observation of the stop
3) Face to face observation and interview
4) Observation of the exit
5) SFST’s
6) Preliminary breath test
Nystagmus:
is the involuntary jerking of the eyes.
HGN has how many validated clues
6 total clues
HGN accuracy with 4 out of 6 clues
88% accuracy
Walk and turn test has how many validated clues
8 validated clues
What are the 8 clues for the walk and turn
- B-Balance,
- S-starts too soon,
- S-stops while walking
- O-offline (steps off line)
- W-wrong number of steps
- H-heel to toe misses
- A-arms (uses arms for balance)
- T-Turn (wrong turn)
how many validated clues for the one leg stand
4 validated clues
what are the 4 clues for one leg stand
P- puts foot down
U- uses arms for balance
S- sways
H- hops
with 2 out of 4 clues what is the percentage
an 83% accuracy rate