10 results
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 ... = RA, SLE, psoriatic ... #Joint #Pain #MSK ... rheumatology #approach #workup
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... Dermatomyositis Erythema chronicum ... #dermatology #joint ... #differential #diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... : • Acute or chronic ... #approach #workup ... #differential #diagnosis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... Differential Diagnosis ... • SLE • Psoriatic ... Joint #pain #Differential ... #Diagnosis #MSK
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Base Disorders - Evaluation ... delta/delta) to see ... , or acute on chronic ... Neuromuscular Disease ... #workup #Differential
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Screening Tests for Chronic ... • Serum uric acid ... , and low back pain ... #laboratory #workup
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... • Immunologic Workup ... • Immunologic Workup ... Chronic disease ... #rheumatology #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... : • Joint pain ... arthropathy • 90% joints ... with Lupus: • Chronic ... Erythematosus #Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Eosinophilia, asthma, chronic ... vesicular eruption - Joints ... , testes -> pain ... vasculitis, and SLE
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... , such as SLE, atherosclerotic ... vesicular eruption • Joints ... Eosinophilia, asthma, chronic ... Palpable purpura, joint