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From Flashcardlet > specials arthrography > Flashcards

specials arthrography Flashcards

0
Q

Knee arthrography

Demonstrate and asses knee joint and associated soft tissue for pathology

Structures shown: _____,______, and (3) ligaments

A

Demonstrate and asses knee joint and associated soft tissue for pathology

Structures shown: joint capsule, meniscus, and collateral and cruciate and minor ligaments

Goes MRI and ct too

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1
Q

Arthrography

Contrast media study of _____ joints and related soft tissue structures. Joints studied 7

Pos-

Neg-

A

Contrast media study of synovial joints and related soft tissue structures. Joints studied nicked hip knee ankle shoulder elbow wrist tmj

Pos- contrast media

Neg- air

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2
Q

Why doing

Tears of joint _____ ,_____ ( most common), _____ caused by trauma

Non traumatic reason - ____ ____

A

Tears of joint capsule ,meniscus ( most common), ligaments caused by trauma

Non traumatic reason - bakers cyst

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3
Q

Why not do knee ? (2)

A

Allergy to iodine or local anesthetic

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4
Q

Contrast media knee arthrography

____ or ____ water soluble medium or a combination of both

______ contrast study method of choice

____ml low density positive medium along ___to ____ ml of negative medium

Then _____knee to disperse in joint

A

Radiolucent or radiopaque water soluble medium or a combination of both

Dual contrast study method of choice

5 ml low density positive medium along 80 to 100 ml of negative medium

Then flex knee to disperse in joint

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5
Q

Patient prep for knee arthrography (4)

A

Explain procedure

Informed consent signed

Advise complications

Explain squeeshy sound 2-3 days

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6
Q

Radiologist rotates patient leg ____ degrees between exposures

A

20

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7
Q

Routine knee arthrography

A

Scouts - ap/lateral KVp 60 6-8 mas

Fluro 65-80 KVp at 6-8 mas

Overheads- ap / lateral KVp 65-80 6-8 mas

Maybe stable, hanging knee

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8
Q

Knee arthrography criteria

Each _____ should be visualized

____ centered

Adequate penetration

_____ under exam marked lateral/ medial

Ap/lateral images demonstrate _____ capsule by combo of negative and positive contrast media

A

Each meniscus should be visualized

Meniscus centered

Adequate penetration

Meniscus under exam marked lateral/ medial

Ap/lateral images demonstrate articular capsule by combo of negative and positive contrast media

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9
Q

Shoulder arthrography

____ or ___ contrast injection into shoulder

Demonstrates (5)

___% rads use Fluro to see if needle in joint

A

Single or double contrast injection into shoulder

Demonstrates joint capsule , rotator cuff, long tendon of nicer and articular cartilage

99% rads use Fluro to see if needle in joint

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10
Q

Single contrast study for shoulder

___-____ml ____ contrast ( _______ 300)

A

10-12 ml pos contrast ( omnipaque 300)

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11
Q

Double contrast shoulder study

___-____ml positive contrast and ___-_____ml of negative contrast

A

3-4 ml positive contrast and 10-12 ml of negative contrast

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12
Q

____contrast is exam of choice for shoulder

A

Double

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13
Q

Shoulder routine

A

Scout
Ap with internal and external rotation
Axiolateral - glenoid fossa

Fluro

Overheads- ap, int, ext

Axiolateral KVp 65-70 at 14-16 mas

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14
Q

Know drawing knee joint

A

.

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15
Q

Done

A

.

16
Q

Why no MRI sometimes?(3)

A

Pacemaker

Open heart with stents

Certain metals in body

17
Q

Equipment(10)

A

Fluro

Conventional xray

Cassettes

Arthrostress device

Sterile gloves

Antiseptic solution- beta dine

Razor

Emergency equipment

2-3 in wide ace bandage

Arthrogram tray ( sterile and disposable)

  1. Prep sponge
  2. Gauze
  3. Drape
  4. One 50 ml and two 10 ml syringes
  5. Flexible connector
  6. Several hypodermic needle
  7. Five ml amp local anesthetic
  8. Beaddyne
  9. Radiologist gloves
18
Q

Arthrogram tray

A

Arthrogram tray ( sterile and disposable)

  1. Prep sponge
  2. Gauze
  3. Drape
  4. One 50 ml and two 10 ml syringes
  5. Flexible connector
  6. Several hypodermic needle
  7. Five ml amp local anesthetic
  8. Beaddyne ( put in tray not included)
  9. Radiologist gloves
19
Q

Injection site prep knee

_____ knee

Limb if interest _____ to dr of interest

____ site

Dry with ____ and drape _______ drape

Positive contrast drawn up ____ml with ____ml syringe and ____gauge needle ( dr injects medial side and moves knee cap around)

Local anesthetic injected with ____ml syringe with ___or ___gauge needle

If double contrast ___to ____ cc of air/ ___cc contrast

Then ______ knee

A

Shave knee

Limb if interest closer to dr

Clean site

Drry with gauze and drape fencestarted drape

Positive contrast drawn up 5 ml with 10 ml syringe and 18 gauge needle ( dr injects medial side and moves knee cap around)

Local anesthetic injected with 10 ml syringe with 21 or 25 gauge needle

If double contrast 80 to 100 cc of air/ 10 cc contrast

Then exercise knee

20
Q

Needle placement and injection process for knee joint

Patient instructed relax knee so patella can be dislocated ______ while needle advance into joint

Prep site , then dr introduces _____gauge needle into joint space

Joint ____ aspirated normal _____ color but abnormal if _____ color

Positive contrast then introduced into joint through ____gauge needle

If dual contrast exam , ____ml syringe is used to inject negative contrast

After injection, needle is removed and the ______ wrapped around the distal femur to collapse femur/ dissolve area of suprapatellar bursae or use resistance band

A

Patient instructed relax knee so patella can be dislocated lateraly while needle advance into joint

Prep site , then dr introduces 20 gauge needle into joint space

Joint fluid aspirated normal clear but abnormal if cloudy

Positive contrast then introduced into joint through 20 gauge needle

If dual contrast exam , 50 ml syringe is used to inject negative contrast

After injection, needle is removed and the ace bandage wrapped around the distal femur to collapse femur/ dissolve area of suprapatellar bursae or use resistance band

21
Q

Shoulder arthrography equipment

____ room

____monitored with Fluro and xray

Arthrogram trays - add ___ needle

___-_____spinal needle

Same equipment used for knee

A

Fluro room

Injection monitored with Fluro and xray

Arthrogram trays - add spinal needle

2 1/2 - 3 1/2 spinal needle

Same equipment used for knee

From Flashcardlet (57 decks)

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