5 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... Ligamentous injuries - Meniscal ... #differential # ... diagnosis #msk #physicalexam
Piriformis Test

The Piriformis test evaluates for pain from sciatic nerve irritation caused by the piriformis muscle.
With
nerve irritation caused ... patient prone, the knees ... degrees and the hips ... #Hip #PhysicalExam ... #sports #msk #orthopedics
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... purpura: strong sign ... retinopathy Lab Tests ... Cryoglobulins • HIV ... #diagnosis #rheumatology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... nerve injury (25%) TEST ... Check hip and ankle ... special ligament/meniscus ... trauma/vascular/orthopedic
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Diagnostic Tests ... ) • Shawl sign ... weakness + atrophy- Hip ... statins - probably caused