18 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... rash) • Primary HIV ... Articular - Acute ... #JointPain #MSK ... #Algorithm #Orthopedics
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Fever/Chills/Joint ... Infectious Knee ... Reactive Syndrome - Acute ... #msk #physicalexam
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... (bacterial), acute ... - parvovirus, HIV ... #Joint #Pain #MSK ... #differential #diagnosis
Acute Joint Pain - Vitamin CD Mnemonic
Vascular
Infectious
Trauma - Multiple injury sites, Open Fracture, Infectious joint pain
Autoimmune
Acute Joint Pain ... Trauma - Multiple injury ... VitaminCD #Mnemonic #MSK ... #Orthopedics #differential ... #diagnosis #Causes
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
: Hyperflexion injury ... Discharge with orthpedic ... Mallet #Finger #Radiology ... #XRay #Diagnosis ... #MSK
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
- Differential Diagnosis ... Genitourinary Infection ... Rheumatic Fever Acute ... Inflammatory #JointPain #MSK ... #Algorithm #Orthopedics
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Arthritis ... Chondrodysplasia Neurologic ... Valgus position of knee ... symptoms #signs #diagnosis ... #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Algorithm Infection ... JointHip Dysplasia ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK ... #Algorithm #Orthopedics
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Acute or chronic ... infections related ... e.g., congenital hip ... #Pain #MSK #rheumatology ... #differential #diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
and PIP joints ... Hyperextension injury ... Dislocation #IPJoint #Radiology ... #XRay #Diagnosis ... #MSK