Medical Terminology

List 11Abbreviations Part 2

Hct

• Hematocrit– It is the percentage of

blood volume that is occupied by red blood cells.

– It is normally about 47% for men and 42% for women

Hgb

• Hemoglobin– Hgb is the iron containing, oxygen transport

protein in red blood cells.

h.s.

• At bedtime– (Hour of sleep)– Hora somni

hx

• History

I&O

• Intake and Output– Measurements of

patients fluid

y/o or yr

• Year(s) old

NKA

• No Known Allergies

NPO

• Nothing by mouth– Nil per os

O2

• Oxygen

p

• After, following

p.c. / pc

• After meals– Post cibum

PE

• Physical Examination– Hx & PE

• Pulmonary embolus

per

• by

p.o. / po

• By mouth– Per os

p.r.n. / prn

• As needed– Pro re nata

q

• Every– quaque

q.d. / qd

• Every day / each day– Quaque die

q.h. / qh

• Every hour / each hour– Quaque hora

q2h

• Every 2 hours / each 2 hours– Quaque secunda hora– q4h• Every 4 hours

– q6h• Every 6 hours

q.i.d. / qid

• Four times a day– quarter in die

Rx

• Treatment (recipe)– Prescription– A prescription for medicine or a medical

appliance. – A remedy, cure, or solution for a disorder or

problem.

s

• Without– sine

t.i.d. / tid

• Three time a day

tx

• Treatment

w/c

• Wheelchair

wt / WT

• Weight