PPE
personal protective equipment
PPO
Preferred provider organization
pre-op
before an operation
post-op
after an operation
PP
postpartum (after delivery)
prep
Prepare
prn
whenever necessary, as needed
Psy
psychology, pyschiatry
pt
patient, pint (500ml or cc)
Pt
prothrombin time
PT
physical therapy/therapist
PTT
partial thromboplastin time
PVC
premature ventricular contraction
PVD
peripheral vascular disease
Px
prognosis, physical exam
q4h
every 4 hours
qhs
every night at bedtime
qid
four times a day
qns
quantity not sufficient
qs
quantity sufficient
qt
quart
qh
every hour
q3h
every 3 hours
q4h
every 4 hours