medical Symbols
medical abbreviations
vital signs
anatomical positions
planes of reference
100

What does the Triangle represent? 


Change

100

y/o

years old 

100

mmHG

millimeters of mercury (pressure)

100

front of body 

anterior 

100

divides body anterior and posterior

coronal or frontal 

200

What letter represents every hour? 

q

200

NKDA

no known drug allergies 

200

RR

respirations 

200

posterior 

back of body

200

sagittal

divides body left and right

300

what letter represents before? what symbol is above the letter? 

a with a line above it

300

PRN

as needed 

300

HR

heart rate 

300

toward body midline

medial 

300

divides body superior and inferior 

transverse or cross sectional

400

what letter represents after? what symbol is above it?

p with a line above it

400
ROM

Range of motion 

400

Blood pressure 

BP

400

lateral

away from midline

400

how many planes are there? 

5- coronal/frontal, sagittal, midsagittal, parasagittal, transvers/cross sectional 

500

how do you write left and right as an abbreviation? 

L with a circle around it 

R with a circle around it 

500

PERRA 

pupils equal, round, reactive to light and accommodation
500

vital signs 

VS

500

closer to origin of body part

proximal

500

how many portions does the planes divide?

6- anterior, posterior, left, right, superior, inferior