25 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... parvovirus B19 infection ... Malar rash ... differential #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
about bacterial infections ... infection. ... - parvovirus, HIV ... Chronic = RA, SLE ... #rheumatology #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... ) - Viral infections ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Systemic Lupus (SLE ... Photosensitivity, Butterfly rash ... phenomenon (20%) Joints ... ) Blood (75%): Anemia ... symptoms #diagnosis #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... Autoimmune • ITP • SLE ... Syndrome • TTP/HUS ... Vasculitis • Infection ... Algorithm #Causes #Hematology
Medial Approach Knee Intra-articular Corticosteroid Injection 

Landmark 1/3 to 1/2 way from top of patella. Find
Corticosteroid Injection ... osteophytes & narrowed joint ... #clinical #video ... procedure #msk #orthopedics ... #sports #rheumatology
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Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
procedures - Infection ... test, ANA (e.g., SLE ... changes), high MCV anemia ... or if a primary hematologic ... Causes #Workup #hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Autoimmune Rheumatologic ... Parvovirus B19 • HIV ... arthritis • SLE ... Symmetrical: • RA • SLE ... Diagnosis #MSK #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... - Hemolytic anemia ... Other auto-immune, Infectious ... Lupusreference #SLE ... #differential #rheumatology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
) Inflammatory joint ... everywhere) 2) A rash ... 6) An annular rash ... Unexplained fever, when infection ... erythematosus #rheumatology