Special Procedures Flashcards Preview

Radiographic Positioning > Special Procedures > Flashcards

Flashcards in Special Procedures Deck (16):
1

Greek arthron means

joint

2

Arthrography

Radiologic examination of the synovial joints and related soft tissue structures that employs contrast media

3

___ or ___ exams may be used in place of, or in addition to, arthrograms

CT, MRI

4

Joints commonly examined with arthography:

Hip
Knee
Ankle
Shoulder
Elbow
Wrist

5

Most common arthrogram procedures:

Shoulder
Knee

6

Knee Arthrography

Assess knee joint and associated soft tissue structures
Joint capsule, menisci, and ligaments

7

Structures of major interest for knee arthography include

the joint capsule, menisci; and collateral, cruciate, and other minor ligaments.

8

Clinical indications (mostly trauma) for knee arthrogram:

Tears in joint capsule
Tears or degeneration of menisci
Ligament injury

9

Contraindications for knee arthrography:

Hypersensitivity to iodine-based contrast media or local anesthetics

10

An example of a nontraumatic pathologic indicating arthrography is a ________ which communicates with the joint capsule in the popliteal area.

Baker's cyst

11

Patient Preparation for arthrogram:

No dietary
Procedure explained
Advise of complications
Signed informed consent form

12

Imaging Equipment for knee arthography:

Fluoroscopy and spot imaging
Patient restraining device:
provides medial or lateral stress
Conventional radiography capability

13

Accessory Equipment for knee arthrography:

Arthrogram tray:
Includes Items needed for contrast injection and preparation of injection site:
Prep sponge
Fenestrated drape
Syringes
Flexible connector
Needles
Local anesthetics
Sterile gloves
Razor
Contrast media
bandaid

14

Contrast Media used for knee arthrography:

Radiolucent (room air)
Radiopaque (iodinated)
Double contrast:
(5 mL of positive and 80-100 mL of negative CO2, or air)

15

Needle Placement and Injection for knee arthrography:

1 Site prepared according to sterile technique
2 Retropatellar, lateral, anterior, or medial approach (site of injection is the site preferred by physician)
3Skin anesthetized
4Fluid aspirated (discarded or sent to lab)
5Contrast media instilled (5 mL of positive and 80-100 mL of negative CO2, or air)
6 Needle removed
7 Knee exercised to produce thin, even coating of soft tissue structures with positive medium

16

Knee stressed during fluoroscopy with use of

compression band