Medical Abbreviations A
ENT
Ear Nose and Throat
DNR
Do Not Resuscitate
BID
Twice Per Day
PO
By Mouth/ Orally
QID
4 Times per day
Hx
History
HR
Heart Rate
HS
Bedtime
PRN
As Needed
TID
3 times per day
TIA
Transient Ischemic Attack
ROM
Range Of Motion
NPO
Nothing By Mouth
Q
Every
Q2H
Every 2 Hours
BP
Blood Pressure
AC
Before Meals
OTC
Over the Counter
QH
Every Hour
QD
Every Day
CPR
Cardiopulmonary Resuscitation
Ad-Lib
As Desired
PC
After Meals
Rx
Prescription
Q4H
Every 4 Hours