9 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 ... Effusions - Septic ... Ligamentous injuries - Meniscal ... #Effusions #causes ... differential #diagnosis #msk
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... or nerve root Symptoms ... trauma (e.g., meniscal ... #Joint #Pain #MSK ... #rheumatology #approach
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
of the Hip • Arthritis ... Valgus position of knee ... pathophysiology #causes ... #symptoms #signs ... #diagnosis #msk
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... Lyme), reactive arthritis ... Like in this case ... #Joint #Pain #MSK ... #rheumatology #approach
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Infection • Septic ... Other Causes ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK ... #Orthopedics #Causes
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Pain - Arthritis ... constitutional symptoms ... weeks) Can Be Caused ... Differential #Diagnosis #MSK
Mental Status Exam (MSE)
Note: The MSE is a "snapshot" of a patient at a specific time.
You
the mnemonic "ASEPTIC ... of illness, the symptoms ... caused by it, and ... #psychiatry #diagnosis ... evaluation #mnemonic #aseptic
Popliteal (Baker’s) Cyst: Pathogenesis and clinical findings
 • Idiopathic
 • Meniscal Lesions
 • Osteoarthritis
 • Rheumatoid
Idiopathic • Meniscal ... • Rheumatoid Arthritis ... intra-articular knee ... Popliteal #BakersCyst #MSK ... pathophysiology #signs #symptoms
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... that needs unique approach ... DISLOCATION: ~25% cases ... special ligament/meniscus ... Posterior #Injury #msk