Alcohol Lab Tests Flashcards
1
Q
Time frame of serum ethanol
A
6-8 hours
2
Q
time frame of Ets/Etg for urine vs blood
A
Urine: 3-5 days
Blood: 36 hrs
3
Q
is Ets/Etg sensitive or specific?
A
specific
4
Q
Timeframe for Ggt
A
2-3 weeks
5
Q
is ggt sensitive or specific?
A
sensitive
6
Q
PEth timeframe
A
2-4 weeks
low consumption - 12 days
mod-severe: 28 days
7
Q
is PEth sensitive or specific?
A
both!
8
Q
how does PEth work?
A
measures alcohol changes to the RBC membrane
9
Q
why isn’t PEth used more often?
A
expensive
10
Q
Interpreting PEth scores
A
<20: none
20-200: moderate (2-4 drinks/day)
>200: heavy (>4 drinks/day)
>400: severe
11
Q
time frame of CDT
A
2-3 weeks
12
Q
is CDT sensitive or specific?
A
neither really
