Contrast Media > I > Flashcards

I Flashcards

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1
Q

ARE DIAGNOSTIC AGENTS THAT ARE INSTILLED INTO BODY ORIFICE OR
INJECTED INTO THE VASCULAR SYSTEM, JOINTS AND DUCTS TO ENHANCE
SUBJECT CONTRAST IN ANATOMIC AREAS WHERE THERE IS LOW SUBJECT
CONTRAST.

A

Contrast Media

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2
Q

• A MATERIAL THAT IS BEING INGESTED OR INJECTED INTO THE BODY FOR
VISUALIZATION OF THE ORGAN.

A

Contrast Media

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3
Q

• SUBSTANCE HAVING EITHER A HIGHER OR LOWER ATOMIC NUMBER THAN THE
SURROUNDING TISSUES WHICH ARE USED TO REPRESENT ORGANS OF THE BODY WHICH ARE NOT VISUALIZED IN A PLAIN RADIOGRAPHY.

A

Contrast Media

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4
Q

• SERVES AS A DIAGNOSTIC AND THERAPEUTIC AID TO PHYSICIAN TO VISUALIZE CERTAIN TISSUES/ ORGAN.

A

Contrast Media

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5
Q

Types of Contrast Media

A

Radiopaque and Radiolucent

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6
Q

 APPEARS WHITE (DECREASED DENSITY) ON THE RADIOGRAPH
(EX. BARIUM SULFATE, IODINE).

A

RADIOPAQUE

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7
Q

 ALSO KNOWN AS POSITIVE CONTRAST MEDIA.

A

Radiopaque

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8
Q

 COMPOSED OF ELEMENTS WITH HIGH ATOMIC NUMBER.

A

Radiopaque

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9
Q

 APPEARS BLACK (INCREASED DENSITY) ON THE RADIOGRAPH
(AIR, NITROGEN, CARBON DIOXIDE).

A

RADIOLUCENT

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10
Q

 ALSO KNOWN AS NEGATIVE CONTRAST MEDIA.

A

Radiolucent

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11
Q

 COMPOSED OF ELEMENTS WITH LOW ATOMIC NUMBER.

A

Radiolucent

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12
Q

Four Physical States of Contrast Media

A

Oil
Tablets
Powder
Liquid

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13
Q

EXAMPLE: PANTOPAQUE, DIONOSIL
- USED IN MYELOGRAM AND BRONCHOGRAM STUDIES

A

Oil

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14
Q

USED IN GALL BLADDER STUDIES

A

Tablets

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15
Q
  • USED IN GASTRO INTESTINAL TRACT
    ESOPHOGRAM, BARIUM ENEMA, AND SMALL INTESTINAL STUDIES.
A

Powder

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16
Q
  • EXAMPLE ALL IODINATED AND NON-IONIC CONTRAST MEDIUM.
A

LIQUID

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17
Q
  • FOR EXAMINATION OF THE ESOPHAGUS
  • FOR SMALL INTESTINE
  • FOR UPPER GI SERIES
A

 BASO4 (BARIUM SULFATE)

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18
Q
  • ARE USED IN THE EXAMINATIONS OF THE GI, KIDNEYS, GALLBLADDER,
    PANCREAS, HEART, BRAIN, UTERUS, SPINAL COLUMN, ARTERIES, VEINS AND
    JOINTS.
A

IODINATED FORM

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19
Q
  • ATOMIC NUMBER OF 53.
A

Iodinated Form

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20
Q

is the property of two substances to mix in all proportions forming a homogeneous mixture.

A

Miscibility

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21
Q
  • A MEASURE OF THE AMOUNT OF CHEMICAL SUBSTANCE THAT
    CAN DISSOLVE IN WATER AT A SPECIFIC TEMPERATURE.
A

WATER SOLUBILITY

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22
Q

 IN VASCULAR APPLICATIONS AN IMMEDIATE DILUTION WITH BLOOD.

A

Water Solubility

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23
Q
  • A MEASURE OF A FLUID’S RESISTANCE TO FLOW.
A

VISCOSITY

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24
Q

 IS A MEASURE OF THE FLUIDITY OF SOLUTIONS

A

Viscosity

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25
Viscosity is measured in _____ per second
millipascals (mPA)
26
- THE CONCENTRATION OF PARTICLES DISSOLVED IN A FLUID.
OSMOLALITY
27
THE MOST COMMON TYPE OF CONTRAST USED IN IMAGING OF THE GI SYSTEM.
Barium Sulfate
28
– 1 ATOM OF BARIUM, 1 ATOM OF SULFUR AND 4 ATOMS OF OXYGEN THUS IT IS A COMPOUND.
BASO4
29
Barium Sulfate has an atomic number of
56
30
Iodinated Form has an atomic number of
53
31
Types of Barium Sulfate
Commercial Plain BaS04
32
A TYPE OF BARIUM SULFATE THAT HAS FLAVORING AND ADDITIVES
COMMERCIAL
33
HAS A VERY UNPALATABLE TASTE BUT ITS ADVANTAGE LIES IN THE FACT THAT IT ADHERES WELL ON THE MUCOSA OF THE ORGAN
PLAIN BASO4
34
 ARE CONTRAST AGENT SALTS OF ELECTRICALLY NEGATIVELY CHARGED ACIDS CONTAINING IODINE THAT IONIZES IN SOLUTION AND CAUSES MORE PATIENT DISCOMFORT.
IONIC CONTRAST MEDIA
35
A CONTRAST AGENT THAT DOES NOT IONIZE IN SOLUTION AND IS SAFER, LESS PAINFUL, AND BETTER TOLERATED BY THE PATIENT.
NON-IONIC CONTRAST MEDIA
36
Have higher osmolality
Ionic CM
37
Have lower osmolality
Non-ionic CM
38
is a severe, potentially life- threatening allergic reaction. It can occur within seconds or minutes of exposure to something you're allergic to, such as a peanut or the venom from a bee sting
Anaphylaxis
39
TEST DONE TO CHECK PATIENT TOLERANCE TO CM.
SENSITIVITY TEST
40
IS INJECTED TO PATIENT FOR ANY ALLERGIC REACTION.
ANTIHISTAMINE
41
- ONE DROP OF CONTRAST MEDIUM IS PUT INTO THE SCLERA (WHITE PART OF THE EYEBALL)
SCLERAL METHOD
42
- ONE DROP OF CONTRAST MEDIUM IS DEPOSITED INTO THE INFERIOR BASE OF THE TONGUE.
SUBLINGUAL METHOD
43
- ONE CC. OF CONTRAST MEDIUM IS JUST BENEATH THE SKIN (SKIN TEST)
INTRADERMAL METHOD
44
- ONE CC. OF CONTRAST MEDIUM IS INJECTED INTO THE VEIN
INTRAVENOUS METHOD
45
Methods of Administering CM
Direct Indirect
46
• TERM APPLIED FOR THE RADIOLOGIC EXAMINATION OF THE SALIVARY GLAND & DUCTS WITH THE USE OF CONTRAST MEDIUM
SIALOGRAPHY
47
• USE TO DEMONSTRATE INFLAMMATORY LESIONS & TUMOR TO DETERMINE THEEXTENT OF SALIVARY FISTULAE & TO LOCALIZE DIVERTICULAE, STRICTURES AND CALCULI
Sialography
48
• EXAMINATION DONE ONE AT A TIME (PER GLAND)
Sialography
49
• SRE USING POSITIVE CONTRAST TECHNIQUE TO INVESTIGATE SUSPECTED TUMORS OF THE SOFT PALATE.
PALATOGRAPHY
50
• SRE USING POSITIVE CONTRAST TECHNIQUE TO INVESTIGATE SUSPECTED TUMORS OF THE SOFT PALATE.
PALATOGRAPHY
51
• SRE OF THE NASOPHARYNX USING NEGATIVE AND POSITIVE CM.
NASOPHARYNGOGRAPHY
52
• OPAQUE STUDY OF THE PHARYNX MADE WITH AN INGESTIBLE CONTRAST MEDIUM
PHARYNGOGRAPHY
53
• OPAQUE STUDY OF THE PHARYNX MADE WITH AN INGESTIBLE CONTRAST MEDIUM
PHARYNGOGRAPHY
54
THE ACT OF SWALLOWING & DONE IN RAPID & HIGHLY COORDINATED ACTION OF MANY MUSCLES.
DEGLUTITION
55
• BOLUS CM MUST BE PROJECTED INTO THE PHARYNX AT THE HEIGHT OF THE ANTERIOR MOVEMENT OF THE LARYNX.
PHARYNGOGRAPHY
56
• A PRACTICAL TECHNIQUE FOR SYNCHRONIZING THE EXPOSURE WITH THE HEIGHT OF SWALLOWING ACT IN DEGLUTITION STUDIES OF THE PHARYNX AND SUPERIOR ESOPHAGUS.
GUNSON METHOD
57
• STATIONARY OR TOMOGRAPHIC NEGATIVE CONTRAST STUDIES OF THE AIR-CONTAINING LARYNGOPHARYNEAL STRUCTURES
LARYNGOPHARYNGOGRAPHY
58
• TEST THE ELASTICITY OF THE HYPO-PHARYNX & THE PIRIFORM RECESSES
Modified Valsava’s Maneuver
59
• REVERSE PHONATION & ASPIRATE OR ASPIRANT MANEUVER FOR THE DEMONSTRATION OF THE LARYNGEAL VENTRICLE
INSPIRATORY PHONATION
60
• TEST THE ELASTICITY & FUNCTIONAL INTEGRITY OF THE GLOTTIS
Valsava’s Maneuver
61
• TEST ABDUCTION OF THE VOCAL CORDS
QUIET INSPIRATION
62
• EXPIRATORY PHONATION TEST ADDUCTION OF THE VOCAL CORDS
NORMAL (EXPIRATORY) PHONATION
63
• THE ONLY PROJECTION THAT GIVES AN UNOBSTRUCTED VIEW OF THE SUBLINGUAL GLAND.
Axial Projection Intraoral Method
64
Show complete closure of the glottis
Valsava’s Maneuver
65
Show open (abducted) vocal cords
Quite Inspiration
66
Show close (adducted) vocal cords
Normal Expiratory Phonation
Contrast Media
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