14 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... - DDX: - Infection ... Seronegative Reactive Syndrome ... - Synovium - Oral ... #diagnosis #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Diagnosis Algorithm Infection ... Legg-Calve-Perthes Disease Knee ... Patellofemoral Syndrome ... Deformity #Limp #MSK ... Diagnosis #Algorithm #Orthopedics
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Thrombocytopenia - Differential ... etc) - Viral: HIV ... antiphospholipid syndrome ... Cirrhosis with portal ... Diagnosis #Framework #hematology
Ober's Test for TFL/ITB Inflammation

With the patient in the lateral position, affected side up.  The
, flexing the hip ... In a normal test ... Iliotibial #Band #Syndrome ... physicalexam #sports #msk ... #orthopedics
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
- MSK Radiology ... margin calcaneal posterior ... Achilles tendon insertion ... bursa is commonly abnormal ... Differential diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Ig A vasculitis/HSP ... #rheumatology #
Trendelenburg Test for Hip Stability

The Trendelenburg test assesses for hip stability
The examiner sits behind the patient
thumbs in the posterior ... flexed at the knee ... In normal function ... video #sports #msk ... #orthopedics
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
arthritis ENT • Oral ... Heberden's nodes (DIP ... Bouchard's nodes (PIP ... #joint #pain #differential ... #diagnosis #rheumatology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... Check hip and ankle ... Compartment syndrome ... trauma/vascular/orthopedic ... #Injury #msk #clinical
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... of shoulder and hip ... strength & enzymes normal ... #Diagnosis #Rheumatology