10 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
gangrenosum • IBD • RA ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #differential #diagnosis ... #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
or nerve root Symptoms ... (RA) and many other ... Crystal Deposition ... #Pain #MSK #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 ... Demyelinating syndromes ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... WBC >100k, + lab signs ... : • Pathophysiology ... #TLS #diagnosis ... #management #hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... noninflammatory Signs ... constitutional symptoms ... Symmetrical: • RA ... #rheumatology #
Rheumatoid Arthritis - Signs and Symptoms
 • Ocular: Keratoconjunctivitis sicca, Episcleritis, Scleritis, Scleromalacia perforans
 • Pulmonary:
- Signs and Symptoms ... Musculoskeletal: Joint ... Thrombocytosis, Felty's syndrome ... #RA #Signs #Symptoms ... #diagnosis #rheumatology
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
disease states Pathophysiology ... precipitates with calcium ... : Resembles RA ... • Metabolic syndrome ... Gout #Comparison #rheumatology
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Pyrophosphate Deposition ... Disease (CPPD) Pathophysiology ... • Resembles RA ... Crowned Dens Syndrome ... #Disease #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... purpura: Strong sign ... • Progressive symptoms ... Palpable purpura, joint ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... Presentation - Systemic Symptoms ... purpura: strong sign ... vasculitis, and SLE ... #rheumatology #