17 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... spondyloarthropathies, lupus ... approach #workup ... #differential # ... diagnosis #arthritis
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
Algorithm for workup ... thrombocytopenia based ... Adapted from:How to approach ... 2012, p 193 #Diagnosis ... #Differential #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... on erythematous base ... lesions • Discoid lupus ... #rashes #differential ... #diagnosis #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... #Pain #MSK #rheumatology ... #approach #workup ... #differential # ... diagnosis #arthritis
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
with temporal arteritis ... uncommon 5-15% of lupus ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... - Evaluation and ... Differential Diagnosis ... Differential Diagnosis ... #workup #Differential
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... interphalangeal joint ... with joint-space ... Differential diagnosis ... #msk #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Differential Diagnosis ... Joint #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
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
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
) Inflammatory joint ... the face (many differential ... diagnoses, including ... #diagnosis #sle ... erythematosus #rheumatology