4.1-4.4 calculations

ad

-to make

-right ear

qs

a sufficient quantity

gtt

drop

tbsp

tablespoon; 15mL

tsp

teaspoon (5ml)

how many ml in a tablespoon

15 mL

how many ml in a teaspoon

5 ml

ac

before meals

pc

after meals

bid

twice a day

tid

3 times a day

qid

4 times a day

dil

dilute

hs

at bedtime

po

by mouth

prn

as needed

stat

immediately

D5LR

dextrose 5% in lactated Ringer's

NS

normal saline 0.9%

D5NS

dextrose 5% in normal saline (0.9% sodium chloride)

D5W

5% dextrose in water

1/2 NS

half normal saline 0.45%

TPN

total parenteral nutrition

LR

lactated ringers

IV

intravenous

IM

intramuscular

IVP

intravenous push

IVPB

intravenous piggyback

SC/SQ

subcutaneous

au

each ear

as

left ear

ou

each eye

od

right eye

os

left eye

PR

per rectum

PV

per vagina

SL

sublingual

Top

topical

Q12h

every 12 hours

qd

once a day [unsafe abbreviation]

qod

every other day [unsafe abbreviation]

ATC

around the clock

BS

blood sugar

FBG

fasting blood glucose

%wt/v

g/100mL

%wt/wt

g/100mg

1 inch = _____ cm

2.54cm

1 oz= ______ mL

30 mL

1 tsp= ____ mL

5 mL

1 tbsp= ___ mL

15 mL

1 kg = ____ lb

2.2lb

1 grain= ___mg

65mg

IBW for men equation

IBW= 50kg + [2.3kg/in * (inches -60)]

IBW for women equation

IBW= 45.5kg + (2.3kg/in * (inches-60)]

ABW (adjusted body weight)

ABW= IBW + 0.4(actual body weight - IBW)

BMI

weight(kg) / height (m^2)

BSA (body surface area) (m^2)

square root of [(patient height CM * patient weight KG)/3600]