Medical Terminology Abbreviations (O-R)
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Last updated 2:21 AM on 11/17/22
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75 Terms
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O
oxygen
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OB
obstetrics
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OD
right eye, overdose
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oint
ointment
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OOB
out of bed
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OPD
outpatient department
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OR
operating room
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ord
orderly
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ORTH
orthopedics
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ortho
correct, right (bones)
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os
mouth
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OS
left eye
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OT
occupational therapy
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OU
both eyes
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oz
ounce
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p
after, pulse
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P & A
percussion and auscultation
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palp
palpation
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PAR
post-anesthesia room
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PAT
paroxysmal atrial tachycardia
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pc
after meals
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pCO2
partial pressure of carbon dioxide
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PDR
physician's desk reference
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PE
physical exam, pulmonary embolism
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PEDS
pediatrics
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per
by or through
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PERL(A)
pupils equal and reactive to light (and accommodation)
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PET
positron emission tomography
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PH
past history
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pH
hydrogen ion concentration
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PID
pelvic inflammatory disease
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PKU
phenylketonuria
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pm
between noon and midnight
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PNS
peripheral nervous system
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po
by mouth
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post(pos)
posterior
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postop, PostOp
postoperative
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pp(p.p.)
postprandial (after eating)
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pO2
partial pressure of oxygen
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PPD
purified protein derivative (TB test)
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preop, PreOp
before surgery
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prn
as needed, whenever necessary
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pro time
prothrombin time
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pt
patient
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PT
physical therapy
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PTT
partial prothrombaplastin time
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PVC
premature ventricular contraction
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Px
physical exam, prognosis
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q
every
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qd
every day
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qh
every hour
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q2h, q3h,....
every 2 hours, every 3 hours
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qhs
every night at bedtime
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qid
four times a day
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qns
quantity not sufficient
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qod
every other day
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qs
quantity sufficient
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r(R)
rectal
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R(resp)
respirations, rectal
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RAIU
radioactive iodine uptake study
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RBC
red blood cell/count
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reg
regular
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Rh
rhesus
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RK
radial keratomy
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RL
ringer's lactate
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RLQ, RLL
right lower quadrant (abdomen), lobe (lung)
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RML
right middle lobe (lung)
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RO
reality orientation
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R/O
rule out
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ROM
range of motion
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R.R.
recovery room
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RUQ, RLL
right upper quadrant, lobe
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rt
right
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RV
residual volume
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Rx
take (prescription)
Note 
Flashcards (35)