9 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... rheumatic fever • Chronic ... = RA, SLE, psoriatic ... #rheumatology # ... approach #workup #differential
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Diagnosis Algorithm ... RA, SLE, PRV, Chronic ... Normal RBCs • Acute ... Hypothyroid • Pregnancy ... #Causes #Hematology
Approach to Joint Pain

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

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... Diagnosis Framework ... arthritis • SLE ... #Diagnosis #MSK ... #rheumatology #
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... CLINICAL CRITERIA - ACUTE ... CUTANEOUS LUPUS - CHRONIC ... INVOLVING 2 OR MORE JOINTS ... determined by Positive
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
crystals (gout) or calcium ... (ANA) test; if positive ... - Positive in ... Screening Tests for Acute ... Screening Tests for Chronic
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
precipitates with calcium ... Chronic CPP Crystal ... • Weakly positively ... Gout #Comparison #rheumatology ... #Diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: • Acute ... permanent alopecia Differential ... Arthritis: • Joint ... arthropathy • 90% joints ... with Lupus: • Chronic
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Chronic CPP Crystal ... Resembles RA • Chronic ... shaped • Weakly positively ... culture used to diagnose ... #diagnosis #management