32 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... lesions • Discoid lupus ... #joint #pain #skin ... #differential #diagnosis ... #rheumatology
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:
TEST CRYSTALS) ... nongonococcal ) #Diagnosis ... Arthrocentesis #Joint ... Effusion #Analysis #Table ... Septic #Infective #Arthritis
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
RA: rheumatoid arthritis ... SLE : systemic lupus ... LungDisease #CTILD #Diagnosis ... Differential #Comparison #Table ... #Pulmonary #Rheumatology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... ), RA, crystal disease ... spondyloarthropathies, lupus ... #rheumatology # ... #differential #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
of hip (rare), Arthritis ... pain (20%) Renal disease ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... hands/feet, knees, shoulders ... Signs & Symptoms ... #Rheumatoid #Arthritis ... #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... present both at rest ... #Pain #MSK #rheumatology ... #differential #diagnosis
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
: - Arthritis ... auto-immune, Infectious diseases ... sclerosis, Still's disease ... autoantibodies #signs ... #differential #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
healthy adults, and should ... Juvenile Idiopathic Arthritis ... Juvenile Idiopathic Arthritis ... ANA #patterns #rheumatology ... #diagnosis #differential
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... • Systemic lupus ... should be obtained ... (to support a diagnosis ... #testing #Rheumatology