13 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
OA, Traumatic arthritis ... crystals), TB arthritis ... , Septic arthritis ... #Analysis #Table ... Septic #Infective #Arthritis
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 ... #diagnosis #arthritis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Septic Arthritis ... : - Reactive arthritis ... - Rheumatoid arthritis ... RA/Idiopathic arthritis ... Poststreptococcal reactive arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
“Bamboo Spine” Fusion ... • Reactive arthritis ... • Psoriatic arthritis ... • Rheumatoid Arthritis ... #Disorders #msk
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
rule out septic arthritis ... Arthrocentesis #Joint ... Syonvial #Fluid #Effusion ... #Analysis #Table ... Septic #Infective #Arthritis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... • Reactive arthritis ... • Lyme arthritis ... #Arthritis # ... Joint #pain #Differential
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Generally affects long ... Osteomyelitis / Septic Arthritis ... • Differentiate ... #Disease #differential
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Infection • Septic Arthritis ... • Rheumatoid Arthritis ... Synovitis • Reactive Arthritis ... Deformity #Limp #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework Bone ... • Fracture • Arthritis ... pain syndrome • Arthritis ... Poikilothermia • Septic arthritis ... lower #extremity #msk
Great Mimickers - SHALLOTS Mnemonic

S- Syphilis - Neurosyphilis, aortitis, gummas... Granulomas can form anywhere! Skin, mucosa,
Skin, mucosa, joints ... , bones, lungs, ... dyspnea, ulcers, arthritis ... and also rashes, arthritis ... Mnemonic #Diagnosis #Differential