11 results
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Asia • HLA-B51 association ... Positive pathergy test ... is a skin prick test ... ) Differential Diagnosis ... signs #symptoms #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... categories of joint disease ... e.g., congenital hip ... Joint #Pain #MSK #rheumatology ... #differential #diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... should be obtained ... : HIV test, a rubella ... (to support a diagnosis ... #testing #Rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
common sites: hip ... , shoulder ... Osteomyelitis / Septic Arthritis ... #differential #diagnosis ... #causes #hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... axial (spine, shoulders ... , hips)? ... #Differential #Diagnosis ... #MSK #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... and often causes arthritis ... retinopathy Lab Tests ... Cryoglobulins • HIV ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... proximal muscles of shoulder ... and hip • Muscle ... #Rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
, and back and shoulders ... -74%] • Blood tests ... severity of the disease ... • Arthralgia/arthritis ... #dermatology #diagnosis
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential Diagnosis ... presentations and disease ... / hypoxemia -> focus ... tests before beginning ... Ethylene glycol - HIV
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Tests: • Measure ... RP-ILD), dermato-rheumatologic ... weakness + atrophy- Hip ... • Nonerosive arthritis ... Myositis #Myopathy #rheumatology