Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Special Imaging > Quiz 4 > Flashcards

Quiz 4 Flashcards

1
Q

What is lymphography?

A

the radiologic exam of the lymph vessels and nodes after they have been opacified by an injected oil based contrast media

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a lymphadenography?

A

a radiographic study of the lymph nodes performed 24 hours after the injection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is a lymphangiography?

A

a lymphatic radiographic study of the lymph vessels carried out within one hour after the injection of the contrast media

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is an indication?

A

the reason why we are doing the test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the indications for lymphography?

A

1) assess the clinical extent of lymphoma
2) staging of radiation treatment
3) obstruction or other impairment of the lymphatic system
4) locating nodes for biopsy or surgical removal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a contraindication?

A

reason why you’re not doing an exam

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are contraindications of lymphography?

A

1) sensitivity to the vital dye, contrast media or local anesthetic
2) respiratory insufficiency
3) concurrent radiation therapy to the lungs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Who gets the informed consent signed?

A

the radiologist only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How long does the patient need to be NPO of solid foods prior to the procedure, although clear liquids are permitted.

A

8 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What kind of scout is taken prior to the procedure?

A

chest to assess the lungs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Due to the injection do vital dye, the patient may void what color tinted urine and may see some discoloration of the skin on the foot and along the course of the lymphatic vessels?

A

Blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the four colors of vital dye?

A

-Patent Blue V
-Evans Blue
-Brilliant Blue GFF
-Direct Sky Blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the four colors of vital dye?

A

-Patent Blue V
-Evans Blue
-Brilliant Blue GFF
-Direct Sky Blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How much blue dye is injected between the toes?

A

.25 to .50 mL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How much blue dye is injected between the toes?

A

.25 to .50 mL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How long should it take for the dye to visualize the lymphatic vessels?

A

15 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

How is incision made on the dorsum of the foot to locate the dye filled lymphatic?

A

longitudinal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How many sutures are placed around the vessel?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The lymphography needle is advanced what side up into the lumen?

A

bevel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Why is normal saline injected slowly into the vessel?

A

it dilates it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

How long is oil contrast media slowly injected into the vessel?

A

30 to 45 minute period

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What radiographs are taken after about one minutes of the injection time to ensure that the contrast media is a lymphatic vessel?

A

Foot and Ankle area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What kind of contrast media is used in lympoangiogram?

A

oil-based contrast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

If the contrast is too thick, what might you have to do to it?

A

warm it up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

How long does ethiodol remain in the lymph vessels for after injection?

A

up to three to four hours

26
Q

How long does ethiodol remain in the nodes after injection?

A

for periods of three to four weeks

27
Q

How long may abnormal nodes retain the contrast media?

A

several months

28
Q

After how long are the lymph nodes best demonstrated post contrast media?

A

24 hours

29
Q

What is the recommended dose per lower extremity for an adult?

A

6 to 8 mL

30
Q

What is the recommended setting at a rate of?

A

0.1 to 0.2 mL/minutes

31
Q

How long is the total injection time approximately?

A

30 to 45 minutes

32
Q

What are routine radiographs?

A

-Lower extremities
-AP Pelvis
-AP Abdomen
-RPO/LPO Abdomen

33
Q

What are optional radiographs?

A

-Lateral view of the Abdomen
-AP Chest

34
Q

What is post procedural care?

A

The needle is removed, the cut sutured and antibiotic ointment applied

35
Q

How long after are the sutures removed?

A

5 to 7 days

36
Q

What are complications?

A

1) Contrast media reactions
2) Pain and possible vessel rupture
3) pulmonary cerebral or hepatic emboli
4) infection at the injection site may occur if sterile technique is not maintained

37
Q

When are vascular obstructions best visualized?

A

On the initial set of films (Day 1)

38
Q

What kind of syringe is used?

A

Tuberculin Syringe

39
Q

What is arthography?

A

a contrast media study of synovial joints and related soft tissue structures

40
Q

What joints are studied in arthrography?

A

hip, knee, ankle, shoulder, elbow, wrist, and TMJ

41
Q

What is the purpose of knee arthrograms?

A

performed to demonstrated and assess the knee joint and associated soft tissue structures for pathology

42
Q

What are knee arthrography indications?

A

-tears of the joint capsule
-menisci or ligaments maybe caused by trauma

43
Q

What are knee arthrography contraindications?

A

known to be allergic to iodine based contrast medium or local anesthetics

44
Q

What is patient prep for knee arthrography?

A

-procedure explained thoroughly to patient
-Informed consent signed
-Patient advised of any complications that may occur

45
Q

How much positive contrast medium is drawn up for injection?

A

5mL with 10 mL syringe and an 18 gauge needle

46
Q

The physician injects the skin, underlying tissues and joint capsule with local anesthetic using what kind of syringe and needle?

A

a 10 mL syringe and a 21 or 25 gauge needle

47
Q

Where is the injection usually injected?

A

in the medial aspect of the knee

48
Q

What color is normal knee joint fluid?

A

clear and tinged yellow

49
Q

What color is abnormal knee joint fluid?

A

cloudy and should be sent to the lab for assessment

50
Q

What is injected after the knee joint fluid is aspirated?

A

the positive contrast injected through the 20 gauge needle

51
Q

If the knee arthrography is dual contrast what do you need?

A

50mL syringe is used to inject negative contrast

52
Q

Why is an ace bandage wrapped around the distal femur?

A

Collapse/dissolve the area of the area of the suprapatellar bursae

53
Q

What kind of contrast media is used for knee arthrography?

A

radiolucent medium or radiopaque water soluble medium or combo of both

54
Q

What kind of contrast study is the method of choice?

A

Dual

55
Q

What are three kinds of negative medium can be used?

A

Carbon dioxide, oxygen, room air

56
Q

Why after the medium injected is the knee flexed?

A

produces a thin even coating of the soft tissue structures with the positive medium

57
Q

What technologist images are taken for knee arthrography?

A

AP and Lateral to demonstrate the entire articular capsule by the combination of negative and positive contrast media

58
Q

Why is shoulder arthrography done?

A

to demonstrate the joint capsule, rotator cuff, the long tendon of the biceps muscle and the articular cartilage

59
Q

How much contrast is used for a single contrast study for shoulder arthrography?

A

10-12 mL of positive contrast

60
Q

How much contrast is used for a double contrast study for shoulder arthrography?

A

3 to 4 mL of positive and 10/12 mL of negative contrast

61
Q

What are the routine radiographs are suggested images?

A

AP projections with internal and external rotations; and a glenoid fossa, transaxillary or intertubcular groove projection

Special Imaging (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions