24 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 ... Fever/Chills/Joint ... (28%) - Gm - bacilli ... Reactive Syndrome - Acute ... differential #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 ... Chronicity: • Acute ... Like in this case ... - parvovirus, HIV ... #Joint #Pain #MSK
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... pain from: • Joint ... : • Acute or chronic ... e.g., congenital hip ... #Pain #MSK #rheumatology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Arthritis ... • Sacroiliac Joint ... Valgus position of knee ... pathophysiology #causes ... signs #diagnosis #msk
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... rash) • Primary HIV ... Articular - Acute ... Infectious #JointPain #MSK ... #Orthopedics #Causes
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Inflammatory Joint ... in Rheumatoid arthritis ... commonly affects the knee ... hip and L/C-spine ... Comparison #Versus #MSK
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Other Causes ... JointHip Dysplasia ... Legg-Calve-Perthes Disease Knee ... Joint • Patellofemoral ... Deformity #Limp #MSK
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
Joint Test on Physical ... For intrinsic vs joint ... capsule cause of ... joint preventing ... clinical #video #msk
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Oligoarticular (1-4 joints ... Rheumatic Fever Acute ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... weeks) Can Be Caused ... Gram-negative bacilli ... Joint #pain #Differential ... #Diagnosis #MSK