46 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Vesicopustule on erythematous ... Antiphospholipid-antibody syndrome ... Discoid lupus erythematosus ... #differential #diagnosis ... #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... connective tissue disease ... SLE), Sjogren's Syndrome ... ANA #patterns #rheumatology ... #diagnosis #differential
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
PIP Involvement, Spares ... Tunnel, Sicca Syndrome ... Arthritis #RA #diagnosis ... #rheumatology # ... signs #symptoms
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... block • Sjogren syndrome ... Hydroxychloroquine *Short ... #SLE #Summary #diagnosis ... #rheumatology #
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Churg-Strauss syndrome ... systemic lupus erythematosus ... Vasculitis #Vessels #Diagnosis ... #Rheumatology # ... Diagnosis
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... Vasculitides, IBD, Celiac disease ... Kawasaki, Nephrotic syndrome ... #Algorithm #hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
- Differential Diagnosis ... Congenital Diseases ... Wiskott-Aldrich syndrome ... Systemic lupus erythematosus ... #Hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... • Malar rash - spares ... #Diagnosis #Rheumatology
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
the Nikolsky sign ... staphylococcal scalded skin syndrome ... includes Kawasaki disease ... and toxic shock syndrome ... #Diagnosis #Dermatology
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Chain deposition disease ... antiphospholipid syndrome ... Systemic Lupus Erythematosus ... CHAMPS #Mnemonic #diagnosis ... #differential #hematology