43 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 ... - Differential Diagnosis ... fracture - Patellar dislocation ... - Synovium - Oral ... #msk #physicalexam
Patellar dislocation 
Patella dislocation refers to when the kneecap is completely displaced out of its normal
displaced out of its normal ... patella is primarily caused ... direct blow) to the knee ... #Orthopedics #Knee ... #msk
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
is usually dorsal ... tendon) • ED Management ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
and swelling to dorsal ... injury • ED Management ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Fracture • Hip dislocation ... Valgus position of knee ... pathophysiology #causes ... symptoms #signs #diagnosis ... #msk
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE) - Diagnosis ... - CRP: Usually normal ... Positive in 60-80% of cases ... Erythematosus #Diagnosis ... #rheumatology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
and Management ... marrow) -dys- (abnormal ... old, ~10,000 new cases ... #Management #treatment ... #hematology #oncology
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
FOPE lesion) - MSK ... atraumatic adolescent knee ... ) Differential diagnosis ... The physis is normal ... #msk
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
and Management ... study (aPTT may be normal ... in mild cases) ... antigen (vWF:Ag) are normal ... #hematology
Optic Neuritis - Diagnosis and Management
 • Epidemiology: Female (75%), 18-50 years,
caucasian
 • Symptoms: Moderate visual
Optic Neuritis - Diagnosis ... and Management ... lesions (a), Brain: normal ... - Typical MS-like ... #rheumatology #