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Approach to the knee radiograph for bony injuries Approach to the knee radiograph for bony injuries

Approach to the knee radiograph for bony injuries - PowerPoint Presentation

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Approach to the knee radiograph for bony injuries - PPT Presentation

Jasmin Fauteux August 25 th 2011 Objectives Review Indications The views The approach Fractures Cases Knee rules PDRs applicability has yet to be proven Pittsburgh Decision rule potentially more specific ID: 784538

decision knee clinical med knee decision med clinical emergency injuries emerg rule acute case approach radiography radiology rules views

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Presentation Transcript

Slide1

Approach to the knee radiograph for bony injuries

Jasmin

Fauteux

August 25

th

2011

Slide2

Objectives

Review:

Indications

The views

The approach

Fractures

Cases

Slide3

Knee rules

Slide4

PDR’s applicability has yet to be proven

Pittsburgh Decision rule potentially more specific

Slide5

The views

Slide6

Lateral

Slide7

Anteroposterior

Slide8

Obliques

Slide9

Tunnel view

Slide10

Skyline

Slide11

The approach

Slide12

S-ABC

Targeting your approach to look for suspected fracture

OR

Soft tissue

Alignment

Bone

Cartilage and joints

Slide13

Soft tissue

Lipohemarthrosis

Effusion

Slide14

Lipohemarthrosis

Slide15

Effusion

May be caused by a bone injury in 53% of cases

Slide16

Alignment

Condyle with plateau

Patellar alignment

Slide17

Bone

Cortices

Trabecular pattern

Intra-articular bodies

Slide18

Cartilages and joints

Patellofemoral

Femorotibial

Slide19

Tibial plateau

Lipohemarthrosis

Oblique views

Low force required in osteoporosis

Slide20

16% are missed by EP

Slide21

Tibial plateau

Trabecular density

Widening of joint space

Lateral displacement

Slide22

Schatzker classification

Slide23

Segond’s fracture

Slide24

Reverse Segond’s

Slide25

Arcuate complex avulsion

Prox. Fibula

Horizontal

Posterolateral

Slide26

Tibial spine

Children > Adults

ACL avulsion

Slide27

Case 1

26yo M

Fell onto flexed knee

Isolated patellar pain

Slide28

Case 2

62yo F

Twisted knee while moving

Walking with cane

Flexion to 60 degrees

Slide29

Case 3

34yo M

Snowboarding

Painful lateral joint line

Slide30

Case 4

33yo F

High intensity MVA

Painful prox.

f

ib

Slide31

Thank you!

Thank you!

Slide32

Bibliography

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Radiol

  2001; 8:392.

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I, et Al:

Implementation of the Ottawa Knee Rule for the Use of Radiography in Acute Knee

Injuries.

JAMA

1997;278(23):2075-2079

S

imon LV, et al: The Pittsburgh Decision rule: triage nurse versus physician utilization in the emergency department.

J

Emerg

Med

2006 Oct; 31(3) 247-50

Seaberg

DC, et Al, Multicenter comparison of two clinical decision rules for the use of radiography in acute, high-risk knee injuries,

Ann

Emerg

Med

1998 Jul; 32(1): 8-13

Seaberg

DC, et al: Clinical decision rule for knee radiographs,

Am J

Emerg

Med

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McDowell

I, et al. Use of

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in acute

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injuries:

need

for

clinical

decision

rules

.

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Emerg

Med

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Bauer

SJ,

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injuries.

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611–615.

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‘s Emergency Medicine: concepts and clinical practice, 7

th

ed.

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, Judith;

Tintinalli’s

Emergency medicine, 7

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edition

Krishnam

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Mayil

S:

Emergency radiology

Schwartz, David:

Emergency radiology: case studies

Marincek

,

Borut

:

Emergency radiology: Imaging and intervention