Terms

Intramuscular - IM; into the muscle

Subcutaneous - SC; into the subcutaneous tissue

Intravenous - IV; into the vein

Intracardiac - IC; into cardiac muscle

Intradermal - ID; beneath the skin

PO - by mouth

SR - sustained release

XL - extended release

SL - sublingual

q4h, q6h - every four hours, every six hours

qd - once a day

bid - twice a day

tid - three times a day

qid - four times a day

Generic name - scientific name

Trade name - manufacturer name

Standard deviation - the square root of the variance

Variance - the average of the squared differences from the mean. 

KHDBDCM - kilo, hecto, deka, base, deci, centi, milli