18 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... spondyloarthropathies, lupus ... Like in this case ... #rheumatology # ... approach #workup
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
- Differential Diagnosis ... Malignancy: - Hematologic ... Diseases (e.g. autoimmune ... ): Lupus, Rheumatoid ... (Temporal arteritis
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Arthritis domain ... in at least 2 joints ... pericarditis • Hematologic ... Thrombocytopenia, Autoimmune ... Erythematosus #diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
present both at rest ... improves quickly with rest ... #Pain #MSK #rheumatology ... #approach #workup ... #differential #diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... • Systemic lupus ... (to support a diagnosis ... #laboratory #workup ... #diagnosis #testing
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Autoimmune → Inflammation ... weeks) Can Be Caused ... #Diagnosis #MSK ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... disease • Non-autoimmune ... deficiencies • Autoimmune ... : • Joint pain ... arthropathy • 90% joints
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... • Immunologic Workup ... • Immunologic Workup ... comparison #table #rheumatology ... #diagnosis #management
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
nonerosive inflammatory arthritis ... Diagnosis: ... • A clinical diagnosis ... Rule out other causes ... blockers had the best
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Palpable Rash: - Autoimmune ... Vasculitis (lupus ... deficiency Work ... Fecal occult blood test