Med Term 2 Vocab Ch 20

Front 1

abduction

Back 1

movement away form the midline of the body

Front 2

adduction

Back 2

movement toward the midline of the body

Front 3

angiogram

Back 3

X-ray record of a blood vessel.

Front 4

anteroposterior

Back 4

In this AP x-ray view, x-rays travel from an anteriorly placed source to a posteriorly placed detector (x-ray beam passes from the front to the back of the body).

Front 5

bone scan

Back 5

Uptake of a radioactive substance is measured in bone.

Front 6

cholangiography

Back 6

x-ray imaging after injection of contrast into bile ducts

Front 7

computed tomography (CT)

Back 7

diagnostic x-ray procedure whereby a cross-sectional image of a specific body segment is produced

Front 8

contrast studies

Back 8

radiopaque materials are injected to obtain contrast with surrounding tissue when shown on the x-ray film

Front 9

echocardiography

Back 9

Sound waves are used to image the structure of the heart.

Front 10

eversion

Back 10

turning outward

Front 11

extension

Back 11

lengthening or straightening a flexed limb

Front 12

flexion

Back 12

bending a part of the body

Front 13

fluoroscopy

Back 13

Process of using x-rays to produce an image on a fluorescent screen.

Front 14

gamma camera

Back 14

machine to detect gamma rays emitted from radiopharmaceuticals during scanning for diagnostic purposes

Front 15

gamma rays

Back 15

high-energy rays emitted by radioactive substances in tracer studies

Front 16

half-life

Back 16

time required for a radioactive substance to lose half its radioactivity by disintegration

Front 17

hysteroslapingogram

Back 17

Imaging record of the uterus and fallopian tubes

Front 18

hysteronogram

Back 18

Catheter inserted into the vagina and cervical canal to the uterus, which is then examined by ultrasound imaging.

Front 19

interventional radiology

Back 19

therapeutic or diagnostic procedures performed by a radiologist

Front 20

inversion

Back 20

turning inward

Front 21

in vitro

Back 21

process, test, or procedure is performed, measured or observed outside a living organism, often a tube test

Front 22

in vivo

Back 22

process, test or procedure is performed, measured or observed within a living organism

Front 23

ionization

Back 23

Transformation of electrically neutral substances into electrically charged particles.

Front 24

lateral decubitus

Back 24

lying down on the side

Front 25

lymphoscintigraphy

Back 25

Nuclear medicine imaging that provides pictures (scintigrams) of the lymphatic system.

Front 26

magnetic reasonance imaging (MRI)

Back 26

Magnetic waves and radio waves produce images of organs and tissues in all three planes of the body.

Front 27

myelography

Back 27

x-ray imaging of the spinal cord after injection of contrast agent into the subarachnoid space surrounding the spinal cord

Front 28

nuclear medicine

Back 28

Medical specialty that studies the uses of radioactive substances (radionuclides and radiopharmaceuticals) in the diagnosis of disease.

Front 29

oblique

Back 29

Positioned at an angle; an x-ray view.

Front 30

PET/CT scan

Back 30

Diagnostic procedure combining CT (computed tomography) and PET (positron emission tomography).

Front 31

positron emission tomography (PET)

Back 31

Radionuclides given intravenously emit positrons, which create a cross-sectional image of cellular metabolism in specialized areas of the body.

Front 32

posteroanterior

Back 32

In this position, x-ray beams pass from the back to the front of the body.

Front 33

prone

Back 33

lying on the belly (face down)

Front 34

pyelogram

Back 34

X-ray record of the kidneys (renal pelvis) and urinary tract after contrast is injected (intravenously or retrograde).

Front 35

radiographer

Back 35

One who assists a radiologist in performing diagnostic x-ray procedures.

Front 36

radioimmunoassay

Back 36

Test combines radioactive chemicals and antibodies to detect minute quantities of substances in a patient's blood.

Front 37

radioisotope

Back 37

Radioactive form of an element; radionuclide.

Front 38

radiolabeled compound

Back 38

Radiopharmaceutical; used in nuclear medicine studies.

Front 39

radiology

Back 39

Study of x-ray and other energy sources in the diagnosis of disease.

Front 40

radiolucent

Back 40

Permitting the passage of x-rays.

Front 41

radionuclide

Back 41

Radioactive form of an element; gives off energy in the form of radiation; radioisotope.

Front 42

radiopaque

Back 42

Obstructing the passage of x-rays.

Front 43

radiopharmaceutical

Back 43

Radioactive drug (radionuclide plus a drug) that is administered safely for diagnostic and therapeutic purposes.

Front 44

recumbent

Back 44

lying down (maybe prone or supine)

Front 45

scan

Back 45

Image of an area, organ, or tissue of the body obtained from ultrasound, radioactive tracer studies, or computed tomography.

Front 46

scintigraphy

Back 46

diagnostic nuclear medicine test using radiopharmaceuticals and gamma cameras to create images

Front 47

single photon emission computed tomography

Back 47

Radioactive tracer is injected intravenously, and a computer reconstructs a three-dimensional image based on a composite of many views.

Front 48

sonogram

Back 48

Image of sound waves as they bounce off organs in the body; echogram or ultrasound image.

Front 49

supine

Back 49

lying down on the back (face up)

Front 50

tagging

Back 50

Attaching a radionuclide to a chemical and following its path in the body.

Front 51

technetium Tc 99m sestamibi scan

Back 51

Uptake of a radioactive chemical (technetium Tc 99m sestamibi) in myocardium reveals evidence of a heart attack (myocardial infarction).

Front 52

thallium scan

Back 52

Thallium 201 is injected intravenously to allow for myocardial perfusion and assess damage to heart muscle from heart attacks.

Front 53

therapeutic

Back 53

Pertaining to treatment or therapy.

Front 54

thyroid scan

Back 54

Administration of a radioactive compound and visualization of the thyroid gland with a scanning device.

Front 55

tracer studies

Back 55

Radionuclides are attached to chemicals, used as tags or markers, and followed as they travel through the body.

Front 56

ultrasonography

Back 56

Ultrasonography is the use of high-frequency sound waves to produce a record or picture of an organ or tissue.

Front 57

ultrasound transducer

Back 57

Handheld device that sends and receives ultrasound signals.

Front 58

uptake

Back 58

Rate of absorption of a radionuclide into an organ or tissue.

Front 59

urography

Back 59

Process of taking x-ray images of the urinary tract after injection of contrast.

Front 60

ventilation-perfusion studies

Back 60

Radiopharmaceutical is inhaled (ventilation study) and injected intravenously (perfusion study) followed by imaging its passage through the respiratory tract.