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Medical Terminology > Chapter 20: Radiology And Diagnostic Imaging > Flashcards

Chapter 20: Radiology And Diagnostic Imaging Flashcards

1
Q

Angiocardiography

A

A specialized diagnostic procedure in which a catheter (a hollow, flexible tube) is introduced into a large vein or artery, usually of an arm or a leg, and then threaded through the circulatory system to the heart

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2
Q

Angi/o

A

Vessel

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3
Q

Cardi/o

A

Heart

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4
Q

-Graphy

A

Process of recording

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5
Q

Angiography

A

A series of X-ray films allowing visualization of internal structures after the introduction of a radiopaque substance

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6
Q

Cerebral angiography

A

The injection of a radiopaque contrast medium into an arterial blood vessel ( carotid, femoral, or brachial) to make visualization of the cerebral vascular system via X-ray possible

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7
Q

Cerebr/o

A

Cerebrum

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8
Q

-Al

A

Pertaining to

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9
Q

Renal angiography

A

X-ray visualization of the internal anatomy of the renal blood vessels after injection of a contrast medium

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10
Q

Ren/o

A

Kidney

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11
Q

Arteriography

A

X-ray visualization of arteries following the introduction of a radiopaque contrast medium into the bloodstream through a specific vessel by way of a catheter

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12
Q

Arteri/o

A

aretry

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13
Q

arthrography

A

Process of taking X-rays of the inside of a joint after a contrast medium (substance that makes the inside of the joint visible) has been injected into the joint

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14
Q

Arthr/o

A

Joint

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15
Q

Barium enema (BE)

Lower GI series

A

Infusion of a radiopaque contrast medium, barium sulfate, into the rectum

Contrast medium is retained in the lower intestinal tract while X-ray films are obtained of the lower GI tract

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16
Q

Barium swallow

Upper GI tract

A

Oral administration of a radiopaque contrast medium, barium sulfate, which flows into the esophagus as the person swallows

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17
Q

Bronchography

A

X-ray examination of the interior passageway of the lower respiratory tract (larynx, trachea, and bronchi) following the coating of these structures with a radiopaque substance

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18
Q

Bronch/o

A

Bronchus

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19
Q

Cholangiography

Intravenous) (IVC

A

Visualizing and outlining of the major bile ducts following an intravenous injection of a contrast medium

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20
Q

Chol/e

A

Bile

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21
Q

Cholangiography

Percutaneous transhepatic) (PTC, PTHC

A

An examination of the bile duct structure, using a needle to pass directly into an intrahepatic bile duct to inject a contrast medium

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22
Q

Per-

A

Through

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23
Q

Cutane/o

A

Skin

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24
Q

-Ous

A

Pertaining to

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25
Q

Trans-

A

Across

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26
Q

Hepat/o

A

Liver

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27
Q

-ic

A

Pertaining to

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28
Q

Cholangiopancreatography

Endoscopic retrograde) (ERCP

A

A procedure that examines the size and filling of the pancreatic and biliary ducts through direct radiographic visualization with a fiberoptic endoscope

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29
Q

Pancreat/o

A

Pancreas

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30
Q

Endo-

A

Within

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31
Q

Scop/o

A

To view

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32
Q

Retro-

A

Backward, behind

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33
Q

Cholecystography

A

Visualization of the gallbladder through X-ray following the oral ingestion of pills containing a radiopaque iodinated dye

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34
Q

Cyst/o

A

Bladder, sac, or cyst

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35
Q

Cineradiography

A

Diagnostic technique combining the techniques of fluoroscopy, radiography, and cinematography by filming the images that develop on a fluorescent screen with a movie camera

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36
Q

Cine-

A

Pertaining to movement

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37
Q

Radi/o

A

Radiation

Also refers to radius

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38
Q

Computed axial tomography

CT, CAT

A

A painless, noninvasive diagnostic X-ray procedure using ionizing radiation that produces a cross-sectional image of the body

Computed tomography

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39
Q

Tom/o

A

To cut

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40
Q

Voiding cystourethrography

A

X-ray visualization of the bladder and urethra during the voiding process, after the bladder has been filled with a contrast material

Record produced is known as a cystourethrogram

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41
Q

Urethr/o

A

Urethra

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42
Q

Digital subtraction angiography

DSA

A

X-ray images of blood vessels only, appearing without any background due to the use of a computerized digital video subtraction process

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43
Q

Echocardiography

A

Diagnostic procedure for studying the structure and motion of the heart

Useful in evaluating structural and functional changes Ina variety of heart disorders

Noninvasive procedure has no known risks or side effects

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44
Q

Echo-

A

Sound

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45
Q

Fluoroscopy

A

A radiological technique used to examine the function of an organ or a body part by using a fluoroscope

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46
Q

Fluor/o

A

Luminous

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47
Q

Hysterosalpingography

A

X-ray of the uterus and the fallopian tubes by injecting a contrast material into these structures

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48
Q

Hyster/o

A

Uterus

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49
Q

Salping/o

A

Fallopian tube

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50
Q

Lymphangiography

A

An X-ray assessment of the lymphatic system following injection of a contrast medium into the lymph vessels in the hand or foot

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51
Q

Lymph/o

A

Lymph

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52
Q

Magnetic resonance imaging

MRI

A

A noninvasive scanning procedure that provides visualization of fluid, soft tissue, and bony structures by using electromagnetic energy

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53
Q

Mammography

A

The process of taking X-rays of the soft tissue of the breast to defect various benign and/or malignant growths before they can be felt

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54
Q

Mamm/o

A

Breasts

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55
Q

Myelography

A

Introduction of contrast medium into the lumbar subarachnoid space through a lumbar puncture to visualize the spinal cord and vertebral canal through X-ray examination

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56
Q

Myel/o

A

Spinal cord or bone marrow

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57
Q

Positron emission tomography

PET

A

Non invasive diagnostic imaging method that demonstrates the biological function of the body befor anatomical changes take place

Produces computerized radiographic images of the body structures when radioactive substances (poistrons) are administered to the patient ( inhaled or injected)

58
Q

Pyelography

Intravenous) (IVP

A

Intravenous pyelogram or excretory Urogram

Radiographic procedure provides visualization of the entire urinary tract; that is, the kidneys, ureters, bladder, and urethra

59
Q

Pyel/o

A

Renal pelvis

60
Q

Intra-

A

Within

61
Q

Ven/o

A

Vein

62
Q

Radiation therapy

A

The delivery of ionizing to accomplish one or more of the following

  1. Destruction of tumor cells
  2. Reduction of tumor size
  3. Decrease in pain
  4. Relief of obstruction
  5. To slow or stop the spread of cancer cells
63
Q

Radioactive iodine uptake

RAIU

A

Examination that determines the position, size, shape, and physiological function of the thyroid gland, through the use of radionuclear scanning

64
Q

Scanning

Bone, brain, liver, lungs

A

Process of recording the emission of radioactive waves using a gamma camera (scanner) after an intravenous injection of a radionuclide material (tracer) into the particular part of the body being studied

The tracer doesn’t remain active for long, with radioactivity being completely eliminated by two days

65
Q

Single-photon emission computed tomography

SPECT

A

Nuclear imaging procedure that shows how blood flows to tissues and organs

66
Q

Small bowel follow-through

A

Oral administration of a radiopaque contrast medium, barium sulfate, which flows through the GI system

X-ray fits are obtained at timed intervals to observe the progression of the barium through the small intestine

67
Q

Tomography

A

An X-ray technique used to construct a detailed cross section, at a predetermined depth, of a tissue structure

68
Q

Ultrasonography

A

Ultrasound or sonogram

Procedure in which sound waves are transmitted into the body structures as a small transducer is passed over the patient’s skin

69
Q

Ultra-

A

Beyond, excess

70
Q

Son/o

A

Sound

71
Q

Venography

A

Phlebography

Technique used to prepared an X-ray image of veins that have been injected with a contrast medium that is radiopaque

72
Q

X-rays

A

The use of high-energy electromagnetic waves, passing through the body onto a photographic film, to produce a picture of the internal structures of the body for diagnosis and therapy

73
Q

Abduction

A

Movement of a limb away from the body

74
Q

Ab-

A

From, away from

75
Q

adduction

A

Movement of a limb toward the axis of the body

76
Q

Ad-

A

Toward, increase

77
Q

Anteroposterior

A

From the front to the back of the body, commonly associated with the direction of the X-ray beam

78
Q

Anter/o

A

Front

79
Q

Poster/o

A

Back

80
Q

Aortography

A

A radiographic process in which the aorta and its branches are injected with any of various contrast media for visualization

81
Q

Aort/o

A

Aorta

82
Q

Arthrography

A

A method radiographically visualizing the inside of a joint by injecting air or contrast medium

83
Q

Arthr/o

A

Joints

84
Q

Axial

A

Pertaining to or situated on the axis of a structure or part of the body

85
Q

Betatron

A

A cyclic accelerator that produces high-energy electrons for radiotherapy treatments

86
Q

Brachytherapy

A

The placement of radioactive sources in contact with or implanted into the tissues to be treated

87
Q

Bronchography

A

An X-ray examination of the interior passageways of the lower respiratory tract (larynx, trachea, and bronchi), following the coating of these structures with a radiopaque substances

88
Q

Cineradiography

A

The filming with a movie camera of the images that appear on a fluorescent screen, especially those images of the body structures that have been injected with a nontoxic radiopaque medium for diagnostic purposes

Cinefluorography

89
Q

Computed tomography

CT

A

An X-ray technique that produces a film representing a detailed cross section of tissue structure

90
Q

Digital radiography

A

Any method of X-ray image formation that uses a computer to store and manipulate data

91
Q

Doppler effect

A

The apparent change in frequency of sound or light waves emitted by a source as it moves away from or toward an observer

92
Q

Eversion

A

A turning outward or inside out, such as a turning of the foot outward at the ankle

93
Q

Extension

A

A movement allowed by certain joints of the skeleton that increases the angle between two adjoining bones, such as extending the leg (which increases the angle between the femur and the tibia)

94
Q

Flexion

A

A movement allowed by certain joints of the skeleton that decreases the angle between two adjoining bones, such as bending the el bow (which decreases the angle between the humerus and the ulna)

95
Q

Fluorescence

A

The emission of light of one wavelength (usually ultraviolet) when exposed to light of a different (usually shorter) wavelength

A property possessed by certain substances

96
Q

Fluoroscopy

A

A technique in radiology for visually examining a part of the body or the function of an organ, using a fluoroscope

97
Q

Gamma camera

A

A device that uses the emission of light from a crystal struck by gamma rays to produce an image of the distribution of radioactive material in a body organ

98
Q

Gamma rays

A

An electromagnetic radiation of short wavelength emitted by the nucleus of an atom during a nuclear reaction

Gamma radiation

99
Q

Half-life

A

The time required for a radioactive substance to lose 50% of its activity through decay

100
Q

Interstitial therapy

A

Radiotherapy in which needles or wires that contain radioactive material are implanted directly into tumor areas

101
Q

Inversion

A

An abnormal condition in which an organ is turned inside out, such as a uterine inversion

Refers to turning inward, as an inversion of the ankle

102
Q

Ionization

A

The process in which a neutral atom or molecule gains or loses electrons and thus acquires a negative or positive electric charge

103
Q

Irradiation

A

Exposure to any form of radiant energy (such as heat, light, or X-ray)

104
Q

Lethal

A

Capable of causing death

105
Q

Linear accelerator

A

An apparatus for accelerating charged subatomic particles used in radiotherapy, physics research and the production of radionuclides

106
Q

Lymphangiography

A

The X-ray examination of lymph glands and lymphatic vessels after an injection of contrast medium

107
Q

Magnetic resonance imaging

MRI

A

Medical imaging that uses radio frequency signals as its source of energy

108
Q

Myelography

A

A radiographic process by which the spinal cord and the spinal subarachnoid space are viewed and photographed after the introduction of a contrast medium

109
Q

Nuclear medicine

A

A medical discipline that uses radioactive isotopes in the diagnosis and treatment of diseases

110
Q

Orthovoltage

A

The voltage range of 100 KeV to 350 KeV supplied by some X-ray generators used for radiation therapy

111
Q

Palliative

A

To soothe or relieve

112
Q

Piezoelectric

A

The generation of a voltage across a solid when a mechanical stress is applied

113
Q

Positron emission tomography

PET

A

A computerized radiographic technique that employs radioactive substances to examine the metabolic activity of various body structures

114
Q

Posteroanterior

A

The direction from back to front

115
Q

Prone

A

Being in a horizontal position when lying facedown

116
Q

Rad

A

Abbreviation for radiation absorbed dose

The basic unit of absorbed dose of ionizing radiation

117
Q

Radiation therapy

A

The treatment H neoplastic disease by using X-rays or gamma rays, usually from a cobalt source, to deter the growth of malignant cells by decreasing the rate of cell division of impairing DNA synthesis

Radiotherapy

118
Q

Radioactivity

A

The ability of a substance to emit rays or particles (alpha, beta, or gamma) from its nucleus

119
Q

Radiographer

A

An Allied Health professional trained to use X-ray machines and other imaging equipment to produce images of the internal structures of the body

Radiologic technologist

120
Q

Graph/o

A

To record

121
Q

-er

A

One who

122
Q

Radioimmunoassay

A

A technique in radiology used to determine the concentration of an antigen, antibody, or other protein in the serum

123
Q

Immun/o

A

Immune, protection

124
Q

-Assay

A

To evaluate

125
Q

Radioisotope

A

An radioactive isotope (of an element) used for therapeutic and diagnostic purposes

126
Q

Radiologist

A

A physician who specializes in radiology

127
Q

-Logist

A

One who specializes in the study of

128
Q

Radiology

A

The study of the diagnostic and therapeutic uses of X-rays

Roentgenology

129
Q

-Logy

A

The study of

130
Q

Radiolucent

A

Pertaining to materials that allow X-rays to penetrate with a minimum of absorption

131
Q

Radionuclide

Radioisotope

A

An isotope (or nuclide) that undergoes radioactive decay

132
Q

Radiopaque

A

Not permitting the passage of xrays or other radiant energy

133
Q

Radiopharmaceutical

A

A drug that contains radioactive atoms

134
Q

Pharmac/o

A

Drugs, medicine

135
Q

Recumbent

A

Lying down or leaning backward

136
Q

Supine

A

Lying horizontally on the back

137
Q

Teletherapy

A

’ Radiation therapy administered by a machine positioned at some distance from the patient

138
Q

Tel/e

A

Distance

139
Q

-Therapy

A

Treatment

140
Q

Transducer

A

A handheld device that sends and receives a sound-wave signal

141
Q

Uptake

A

The drawing up or absorption of a substance

Medical Terminology (21 decks)

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