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Medical Terminology Abbreviations > M-R > Flashcards

M-R Flashcards

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USMLE® Step 1 flashcards
1
Q

MCA

A

motorcycle accident

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2
Q

mcg

A

microgram

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3
Q

MAP

A

mean arterial pressure ((diastolic*2)+systolic)/3

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4
Q

MCL

A

mid clavicular line

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5
Q

MDI

A

metered dose inhaler

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6
Q

Meq

A

milliequivalent

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7
Q

Meq/L

A

milliequivalent per liter

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8
Q

mg

A

milligram

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9
Q

mg/DL

A

milligrams per deciliter

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10
Q

MgSO4

A

magnesium sulphate

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11
Q

MH

A

medical history; malignant hyperthermia; marital history

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12
Q

MI

A

myocardial infarction

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13
Q

MICU

A

medical intensive care unit

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14
Q

min

A

minute

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15
Q

ml

A

milliliter

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16
Q

mm

A

millimeter

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17
Q

mmHg

A

millimeter of mercury

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18
Q

Mn

A

Manganese

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19
Q

mOsm

A

milliosmole

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20
Q

MR

A

mental retardation

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21
Q

MRI

A

magnetic resonance imaging

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22
Q

MRSA

A

methicillin resistant staph aureus

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23
Q

MS

A

multiple sclerosis; morphine sulfate; mitral stenosis

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24
Q

MSL

A

mid sternal line

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25
Q

MVA

A

motor vehicle accident

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26
Q

MVI

A

multivitamins

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27
Q

MVR

A

mitral valve regurgitation; mitral valve replacement

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28
Q

N; N2

A

nitrogen

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29
Q

Na

A

sodium

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30
Q

N/A

A

not applicable; not available

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31
Q

NAD

A

no apparent distress

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32
Q

NG, ng

A

nasogastric

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33
Q

NH3

A

ammonia

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34
Q

Ni

A

nickel

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35
Q

NI

A

not indicated

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36
Q

NICU

A

neonatal intensive care unit

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37
Q

NIDDM

A

non-insulin dependent diabetes mellitus

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38
Q

NKA

A

no known allergies

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39
Q

NKDA

A

no known drug allergies

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40
Q

NMR

A

nuclear magnetic resonance

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41
Q

N2O

A

nitrous oxide

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42
Q

NPH

A

neutral protamine Hagedorn (insulin)

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43
Q

NPO

A

nothing by mouth

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44
Q

NS

A

normal saline

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45
Q

NSAID

A

non-steroidal anti-inflammatory drug

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46
Q

NSR

A

normal sinus rhythm

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47
Q

NTG

A

nitroglycerine

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48
Q

NTT

A

nasal tracheal tube

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49
Q

N/V

A

nausea and vomiting

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50
Q

N/V/D

A

nausea, vomiting, diarrhea

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51
Q

O2

A

oxygen

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52
Q

OB

A

obstetrics

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53
Q

Occ

A

occasional

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54
Q

OD; od

A

overdose, outer diameter

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55
Q

O.D.; o.d.

A

right eye (oculus dexter); once daily

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56
Q

OETT

A

oral endotracheal tube

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57
Q

OH

A

occupational history

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58
Q

Oint.

A

ointment

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59
Q

OPD

A

outpatient department

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60
Q

OR

A

operating room

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61
Q

ORIF

A

open reduction internal fixation

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62
Q

os

A

mouth

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63
Q

O.S.; o.s.

A

left eye (oculus sinister)

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64
Q

O2S

A

oxygen saturation

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65
Q

OSA

A

obstructive sleep apnea

66
Q

o/w

A

otherwise

67
Q

oz.

A

ounce

68
Q

p

A

after

69
Q

P & A

A

percussion and auscultation

70
Q

PA

A

posterior anterior; pulmonary artery

71
Q

PAC/APC

A

premature atrial contraction

72
Q

PACU

A

post anesthesia care unit

73
Q

PALS

A

pediatric advanced life support

74
Q

PAOP

A

pulmonary artery occluded pressure

75
Q

Pap

A

Papanicolaou smear (Pap smear)

76
Q

para

A

parity

77
Q

PAT

A

paroxysmal atrial tachycardia

78
Q

Pb

A

lead

79
Q

PCA

A

patient controlled analgesia

80
Q

PCWP

A

pulmonary capillary wedge pressure

81
Q

PDA

A

patent ductus arteriosus

82
Q

PE

A

pulmonary embolism; pulmonary edema; pressure equalization

83
Q

P.E.

A

physical exam

84
Q

PEA

A

pulseless electrical activity

85
Q

PEEP

A

positive end expiratory pressure

86
Q

PEG

A

percutaneous endoscopic gastrostomy

87
Q

per

A

by

88
Q

PERRLA

A

pupils, equal, round, reactive to light and accommodation

89
Q

PETCO2

A

partial pressure of CO2 in end-tidal gas

90
Q

PFT

A

pulmonary function test

91
Q

pH

A

hydrogen ion concentration

92
Q

PH

A

past history

93
Q

PI

A

present/previous illness

94
Q

PICC

A

percutaneously inserted central catheter

95
Q

PID

A

pelvic inflammatory disease

96
Q

PIH

A

pregnancy induced hypertension

97
Q

PIP

A

peak inspiratory pressure; proximal interphalangeal joint

98
Q

PLT/plt.

A

platelets

99
Q

PMH

A

past medical history

100
Q

PMS

A

premenstral syndrome

101
Q

PND; pnd

A

paroxysmal nocturnal dyspnea, post nasal drip

101
Q

PO; p.o.

A

by mouth; phone order

102
Q

PO4

A

phosphate

103
Q

POD

A

post operative day

104
Q

post-op

A

after operation

105
Q

PPD

A

purified protein derivative (TB test)

106
Q

PPV

A

positive pressure ventilation

107
Q

PRBC

A

packed red blood cells

108
Q

preop

A

before surgery

109
Q

p.r.n./ prn

A

whenever necessary

110
Q

PROM

A

premature rupture of membranes

111
Q

PSV

A

pressure support ventilation

112
Q

PT

A

physical therapy; prothrombin time

113
Q

PTCA

A

percutaneous transluminal coronary angioplasty

114
Q

PTSD

A

post traumatic stress disorder

115
Q

PTT

A

partial thromboplastin time

116
Q

PUD

A

peptic ulcer disease

117
Q

PVAI

A

pulmonary vein antrum isolation

118
Q

PVC/VPC

A

premature ventricular contraction

119
Q

PVD

A

peripheral vascular disease

120
Q

PVI

A

pulmonary vein isolation; peripheral vein insufficiency

121
Q

q

A

every

122
Q

qd

A

every day

123
Q

qh

A

every hour

124
Q

q2h

A

every two hours

125
Q

q4h

A

every four hours

126
Q

qxh

A

every (x) hours

127
Q

qid

A

four times a day

128
Q

qn

A

every night

129
Q

qod

A

every other day

130
Q

QRS

A

ventricular wave EKG

131
Q

qwk

A

every week

132
Q

r; R

A

right; respirations

133
Q

Rt.

A

right

134
Q

RAE

A

Ring-adair-elwyn (developed preformed ETT)

135
Q

RAH

A

right atrial hypertrophy

136
Q

RBBB

A

right bundle branch block

137
Q

RBC, rbc

A

red blood cell

138
Q

RCA

A

right coronary artery

139
Q

RCM

A

right costal margin

140
Q

RDS

A

respiratory distress syndrome

141
Q

RF

A

rheumatic fever

142
Q

Rh

A

Rhesus factor

143
Q

RHD

A

rheumatic heart disease

144
Q

RHF

A

right heart failure

145
Q

RLE

A

right lower extremity

146
Q

RLL

A

right lower lobe

147
Q

RLQ

A

right lower quadrant

148
Q

RML

A

right middle lobe

149
Q

R/O

A

rule out

150
Q

ROM

A

range of motion

151
Q

ROS

A

review of systems

152
Q

RR

A

respiratory rate

153
Q

RRE

A

round, regular, equal

154
Q

RSR

A

regular sinus rhythm

155
Q

RT

A

respiratory therapy

156
Q

RUE

A

right upper extremity

157
Q

RUL

A

right upper lobe

158
Q

RUQ

A

right upper quadrant

159
Q

RVH

A

right ventricular hypertrophy

160
Q

RWMA

A

right wall motion abnormality

161
Q

Rx

A

therapy; prescription

Medical Terminology Abbreviations (5 decks)

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