35 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Effusions - Septic Arthritis ... : - Reactive arthritis ... - Rheumatoid arthritis ... RA/Idiopathic arthritis ... Poststreptococcal reactive arthritis
Synovial Fluid Analysis:

Findings (COLOR	TRANSPARENCY	VISCOSITY	WBC COUNT (PER MM3)	PMN CELL COUNT (%)	GRAM STAIN	CULTURE	PCR TEST	CRYSTALS)

By Condition (Normal 
Noninflammatory 
Inflammatory:
(PER MM3) PMN CELL ... STAIN CULTURE PCR ... TEST CRYSTALS) ... nongonococcal ) #Diagnosis ... Septic #Infective #Arthritis
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
Septic Arthritis ... necrosis, Lyme disease ... , viral arthritis ... MH/CCF/CWRU EM ... #Diagnosis #Management
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
myocarditis, coronary arteritis ... SLE, Reactive arthritis ... Ocular melanoma • Arthritis ... SLE, Reactive Arthritis ... Recurrent and chronic arthritis-Azathioprine
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... Noninflammatory arthritis ... with rheumatoid arthritis ... oxalate Infectious Arthritis ... #arthritis
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
and Management ... the preferred test ... Syphilis Arthritis-Dermatitis ... Painless) Purulent Arthritis ... Distal joints, knees
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... diffuse chondral disease ... • PVNS/Giant Cell ... #Gout #Gouty #Arthritis ... #msk #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
• Septic arthritis ... Inflammatory Arthritis ... when rheumatoid arthritis ... of reactive arthritis ... #Rheumatoid #Arthritis
Lyme Disease: Early and Late Clinical manifestations
Stage 1. Localized
 • EM appears 7-14 days at the
Lyme Disease: Early ... and Late Clinical ... years after • Arthritis ... Large joints (knees ... #diagnosis #signs
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad ... Fever, Arthralgia/arthritis ... Differential Diaqnoses ... #diagnosis #management ... #treatment #rheumatology