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 ... Osteoarthritis - Overuse syndrome ... Seronegative Reactive Syndrome ... fracture - Patellar dislocation ... #Effusions #causes
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... the radial head dislocation ... ), compartment syndrome ... ligamentous injury (LCL ... DC with orthopedic
Patellar dislocation 
Patella dislocation refers to when the kneecap is completely displaced out of its normal
patella is primarily caused ... direct blow) to the knee ... while bending your knee ... PhysicalExam #Sports #Orthopedics ... #Knee #msk
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
monoarticular & the knee ... involved in >50% of cases ... S.A. can also be caused ... pathogen across all ... SepticArthritis #pathophysiology
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Trauma to Vessel (dislocation ... Marfan's Syndrome ... Diagnosis #Algorithm #Orthopedics ... #Causes
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Fracture • Hip dislocation ... Valgus position of knee ... Trendelenburg #Gait #pathophysiology ... #causes #symptoms
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
although hepatic causes ... namely, the many causes ... myeloma, CML, AML ... rare): - Reye syndrome ... deficiency #Ammonia #Pathophysiology
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Legg-Calve-Perthes Disease Knee ... Patellofemoral Syndrome ... Tendon Rupture, Dislocation ... Diagnosis #Algorithm #Orthopedics ... #Causes
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... : ~25% cases. ... Compartment syndrome ... -->>>> LINK TO ACL ... trauma/vascular/orthopedic
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Epidemiology: • 1-2 cases ... Guillain-Barre Pathophysiology ... complete paralysis of all ... Albuminocytologic dissociation