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Flashcards in Approach to Knee Pain Deck (17)
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1
Q

Giving out/buckling

Locking

Popping

Knee effusion

Pain at joint line

A

Ligamentous/instability

Meniscal

Ligamentous

Meniscal

Meniscal

2
Q

McMurray exam and interpretation

A

Patient is supine…externally rotate tibia while applying valgus stress at knee…then internally rotate tibia while applying varus stress to test lateral

3
Q

Lachman

A

Pull tibia forward with knee at 30 degfeees

4
Q

ACL teaer

A

Sudden rotation or hyperextension

Severe knee pain, giving way

Pop

Effusion in 12 hours

5
Q

PCL tear

A

Sudden anterior tibial force with knee in fexion causing posterior tibial movement

Normallyi in combo

6
Q

MCL tear

A

Tibia moves laterally into abduction

Pain when valgus stress

7
Q

LCL tear

A

Obbosite of MCL

8
Q

Acute meniscal tear

A

Normaly from sudden roationally injury

Usually acute pain and pater stiffness and swelling…effusion after 24 hous

May have popping, catching, locking

9
Q

Chronic meniscal tear

A

Frequently associated with OA in older individuals

10
Q

OA knee

A

Mechanical sx

Buckling or giving way

More advanted will lose motion

11
Q

IT band syndrome

A

Overuse injury of lateral knee in runners

Insidious onset of pain localized to where IT band courses of lateral femoral epicondyle

Sharp or burning and just prior to the foot strike at the knee extends

Can become constant and deep

12
Q

Patellofemoral pain syndrome

A

Overuse more common in women

Anterior pain with prolonged sitting and with going up and down strairs

APply pressure on patella with knee in extnesion and move medially and laterally to test for pain

13
Q

Prepatellar bursitis

A

Housemaids or carpet layers

From repetitive kneeling

Effusion over lower pole of patellar

Tender to palpation

Should be able to lie with knee in full extension

ALso caused by infection or gout

14
Q

Baker cyst

A

Popliteal synovial cyst that is extension of semimembranous bursa

Posterior and inferior to knee

15
Q

Ewing sarcoma

A

Moth eaten appearacne or onion peel

Biopsy

16
Q

Osgood Schlatter

A

Most 12-15 and girls 11-13

Chronic avulsion injiry or tibial tuberosty

Recurrent rraction of tibial tubercle grwoth plate

Localized pain and swelling

Radiographs

17
Q

Osteosarcoma

A

Spindle cell neoplpasm

More in males

Metaphysis of long bones (distal femur and prox tibia)

Swelling

Moth-eaten, subburst appearace, or cuff of periosteal new bone formation at margin of soft tissue mass (codman’s)