GI
gastrointestinal
G/P
gravida/para
GSW
gun shot wound
gtts
drops
G-tube
gastostomy tube
GU
genitourinary
GYN
gynecology
H&H
hemoglobin and hematocrit
H&P
history and physical
H2O
water
HA
headache
HBP
high blood pressure
HCO3
bicarbonate
Hct
hematocrit
HEENT
head,ears,eyes,nose,throat