10 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential ... Autoimmune • ITP • SLE ... HUS • DIC • Vasculitis ... #Hematology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Butterfly rash, Vasculitis ... Leucopenia/lymphopenia, Thrombocytopenia ... #Lupus #SLE #systemic ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... : - Thrombocytopenia ... Splenomegaly - CTD (SLE ... Associated - SLE ... #rheumatology #
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Neurological 12% - Thrombocytopenia ... involvement 3% SLE-Related ... Lupusreference #SLE ... autoantibodies #signs ... #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... ANCA associated vasculitis ... (RA), Systemic lupus ... erythematosus (SLE ... #Diagnosis #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Complement: Post-strep GN ... , Lupus Nephritis ... Glomerulonephritis #Vasculitis ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... tract, and often causes ... purpura: strong sign ... , and SLE) • Urinalysis ... #rheumatology #
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
Causes of Purpura ... ) - SLE ( ... systemic lupus erythematosus ... infections - Vasculitis ... pediatrics #diagnosis #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... diseases, such as SLE ... purpura: Strong sign ... tract, and often causes ... Diagnosis #Rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... hemostasis: - Thrombocytopenia ... (lupus, RA, Sjogren's ... #dermatology #physicalexam