Knee disease Flashcards
Symptoms of a meniscal tear
Pain (on the lateral aspect), Locking, swelling
Signs of a meniscal tear
Joint line tenderness, Effusion, Positive McMurray’s sign
Describe McMurrays test
Place pressure on the joint line, extend the knee, positive if there is pain - (meniscal tear)
Investigations for a meniscal tear
MRI
MRI findings with a meniscal tear
White streak, Bow tie sign
Management of a meniscal tear
Conservative: Rest
Medical: NSAIDs
Surgical: Menisectomy, Repair, Transplantation
Mechanism of injury for an ACL tear
Non-impact pivoting injury
Symptoms of an ACL tear
Pain, Haemarthrosis, Instability on turning
Signs of an ACL tear
Effusion, Positive Lachman’s test, Positive Pivot shift test
Describe Lachmans tests
Fold the knee in 30 degree of flexion and provide anterior stress, positive if tibia moves anteriorly - (ACL tear)
Describe Pivot shift test
Apply valgus stress and external rotation on the knee, positive if knee reduces on extension - (ACL tear)
Investigations for an ACL tear
MRI
Management of an ACL tear
Conservative: Physiotherapy, Rest
Surgical: Reconstruction
Indications for surgery in ACL tear
Instability in young and active
Mechanisms of injury for a PCL tear
Hyperflexion, Hyperextension, Blow to tibia in a flexed knee
Symptoms of a PCL tear
Symptoms of a PCL tear
Signs of a PCL tear
Posterior sag
Investigations for a PCL tear
MRI
Mechanisms of injury for an MCL tear
Valgus stress, External rotation
Symptoms of an MCL tear
Pain (medial joint), Instability
Signs of an MCL tear
Tender medial joint line, Effusion, Positive valgus stress test
Mechanism of injury of an LCL tear
Varus stress
Symptoms of an LCL tear
Pain (lateral joint), Instability (on extension)
Signs of an LCL tear
Lateral joint line tenderness, Positive Varus stress test
Mechanism of injury for patellar tendonitis/rupture
Repeated knee extension ie jumping
Symptoms of patellar tendonitis
Pain (inferior of patella, worse on activity and prolonged flexion)
Signs of patellar tendonitis
Tenderness over inferior patella, Basset’s sign
Describe Bassets sign
Tenderness over the distal patella when knee is extended - (patellar tendonitis)
Investigations for patellar tendonitis and findings
USS - thickened tendon
MRI - thickened tendon
Management of patellar tendonitis
Conservative: Rest, Ice
Medical: Cortisone injection
Surgery: Repair
Symptoms of patellar tendon rupture
Pain (inferior patella), Inability to weight bear
Signs of patellar tendon rupture
Higher patella, haemarthrosis, Palpable gap in tendon, Inability to straight leg raise
Investigations for patellar tendon rupture
USS, MRI
Management of patellar tendon rupture
Conservative: Immobilisation in extension
Surgical: Repair, Reconstruction
Mechanism of injury of quadriceps tendonitis/rupture
Repeated extension ie jumping
Symptoms of quadriceps tendonitis
Pain (superior patella), Swelling
Signs of quadriceps tendonitis
Tenderness over the quadriceps tendon
Investigations for quadriceps tendonitis
USS, MRI
Management of quadriceps tendonitis
Medical: NSAIDs
Surgical: Debridement
Symptoms of quadriceps tendon rupture
Pain (over the quadriceps tendon)
Signs of quadriceps tendon rupture
Gap in quadriceps tendon, Inability to straigh leg raise, Unable to extend knee
Investigations for quadriceps tendon rupture
USS, MRI
Management of quadriceps tendon rupture
Conservative: Immobilisation
Surgical: tendon repair