Medical Abbreviations
Medical Terminology Roots
Conditions & Procedures
Anatomy Terms
Signs & Symptoms
100

a.c.

Before a meal

100

Oste/o

bone

100

Tachycardia 

Fast heart rate

100
Hepat/o

Liver

100

rhinorrhea

runny nose

200

p.c.

after a meal 

200

Hyper-

Excessive/high
200

Splenomegaly 

Enlargement of the spleen

200

oto-

ear

200

-itis

inflammation

300

BID

Twice a day 

300

Hypo-

Under
300

Gastrectomy

A procedure that involves the removal of all or part of the stomach.

300

cephal/o

head

300

apnea

without breathing (refers to sleep apnea) 
400

I&O

Intake & Output 

400

Leuk/o

White

400

-plegia

Term describes paralysis 

400

enter/o

small intestine

400

dyspnea 

difficulty breathing 

500

NPO

Nothing by mouth 
500

Erythr/o

Red

500

Venostasis

Abnormal slowing or stoppage of blood flow in a vein

500

arthr/o

joint

500

myopathy 

muscle disease