17 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... usually IgG) (e.g. lupus ... • Infections: Malaria ... Extravascular #Causes ... #anemia
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
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Systemic Lupus Erythematosus ... Arthritis 69% - Malar ... - Hemolytic anemia ... autoantibodies #signs ... #differential #rheumatology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
for Hemolytic Anemia ... Intrinsic Causes ... Bartonella, Babesia, Malaria ... #Hemolytic #Anemia ... classification #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
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Causes of Extravascular ... Infections • Malaria ... immune-complex hemolytic anemia ... Diagnosis #Algorithm #Causes ... #Hematology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... ) Blood (75%): Anemia ... Thrombocytopenia #Lupus ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... Manifestations: Malar ... , oral ulcers, Lupus ... Positive in 60-80% of cases ... Management #Summary #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
cases, drug-dependent ... & NPSLE rare, Malar ... Discontinuation of causal ... Manifestations: Malar ... comparison #table #rheumatology
Systemic Lupus Erythematosus (SLE) - Typical Signs/Symptoms
Alopecia, Fever, Malar rash, Photosensitivity, Adenopathies, Lupus pneumonia, Pleurisy, Pancreatitis,
SLE) - Typical Signs ... Alopecia, Fever, Malar ... Adenopathies, Lupus ... Erythematosus #SLE #Signs ... Symptoms #diagnosis #rheumatology
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... Subacute cutaneous lupus ... hair follicles -> causes ... inflammation on skin -> Malar ... pathophysiology #diagnosis #signs
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
bacteremia • Malaria ... endocarditis, malaria ... schistosomiasis • Pyemia ... Non-Infectious Causes ... Brucellosis Faget's Sign