37 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... Infection - Vasculitis ... (lupus, RA, Sjogren's ... #Causes #dermatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
APPROACH These ... approach can help ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... Differential Diagnosis Algorithm ... Bullous systemic lupus ... Differential #Diagnosis #Algorithm ... #causes
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
40, F:M 9:1 • Clinical ... Manifestations: Malar rash ... Positive in 60-80% of cases ... life-threatening • Treatment ... Management #Summary #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Approach to Thrombocytosis ... Differential Diagnosis Algorithm ... Rebound effect from treatment ... Rheumatologic, Vasculitides ... Differential #Diagnosis #Algorithm
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... NPSLE rare, Malar rash ... Discontinuation of causal ... 40, F:M 9:1 • Clinical ... Manifestations: Malar rash
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... of Systemic Lupus ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... Thrombocytopenia #Lupus
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... inflammation Others: • Lupus ... mucositis - Rash ... such as systemic lupus ... differential #diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Post-strep GN, Lupus ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... ANCA-associated vasculitis ... lymphoproliferative syndrome Clinical ... • Mesenteric vasculitis ... vein thrombosis Hematologic