7 results
Patellar Apprehension Test for Patellar Instability on Knee Examination

The Patellar Apprehension Test evaluates for patellar subluxation
Test for Patellar ... Instability on ... subluxation or dislocation ... #Knee #Instability ... #subluxation #dislocation
Patellar Apprehension Test for Patellar Instability on Knee Examination

The Patellar Apprehension Test evaluates for patellar subluxation
Test for Patellar ... Instability on ... subluxation or dislocation ... #Knee #Instability ... #subluxation #dislocation
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
injury of the knee ... maltracking and instability ... Differential diagnosis ... #Dislocation #patella ... #knee #clinical
Extreme Patellofemoral Joint Instability (PFJI)

In this video you can see an extreme rare case of bilateral
Patellofemoral Joint Instability ... an extreme rare case ... from frank acute patellar ... dislocations to ... dislocation. .
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
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Causes of Knee Effusions ... - Differential Diagnosis ... Intra-articulation fracture - Patellar ... dislocation ... #Effusions #causes
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
- Differential Diagnosis ... Arthritis Other Causes ... Legg-Calve-Perthes Disease Knee ... Chondromalacia Patellae ... Tendon Rupture, Dislocation
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... : ~25% cases. ... nerve injury (25%) TEST ... CLINICAL: instability ... lachmans, posterior drawers