14 results
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... JointHip Dysplasia ... (e.g., Tendon Rupture ... Deformity #Limp #MSK ... #Algorithm #Orthopedics
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... rash) • Primary HIV ... Infectious #JointPain #MSK ... #Algorithm #Orthopedics ... #Causes
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... common sites: hip ... Osteomyelitis / Septic Arthritis ... #diagnosis #causes
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
- Differential Diagnosis ... Inflammatory #JointPain #MSK ... #Differential #Diagnosis ... #Algorithm #Orthopedics ... #Causes
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Osgood-Schlatter Disease ... • Tendon Rupture ... Intraarticular #MSK ... #Algorithm #Orthopedics ... #Causes
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Ligament • Bone ... e.g., congenital hip ... the subchondral bone ... #Pain #MSK #rheumatology ... #differential #diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Finger deformity caused ... disruption (may be bony ... Discharge with orthpedic ... Radiology #XRay #Diagnosis ... #MSK
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... ), RA, crystal disease ... Like in this case ... - parvovirus, HIV ... #Joint #Pain #MSK
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Joint Disease ... in Rheumatoid arthritis ... affects the knee hip ... #Degenerative #Comparison ... #JointPain #Diagnosis
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 Diagnosis ... Fever/Chills/Joint ... - Aneurysmal bone ... #msk #physicalexam