21 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Splenomegaly - CTD (SLE ... deficiency • Liver ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Dermatomyositis Erythema chronicum ... lesions • Discoid lupus ... differential #diagnosis #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
and Management ... Manifestations: Malar rash ... Positive in 60-80% of cases ... : Chronic disease ... #Summary #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... Discontinuation of causal ... : Chronic disease ... #table #rheumatology ... #diagnosis #management
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
: INR/PT, aPTT(liver ... test, ANA (e.g., SLE ... bypass), LFT (liver ... or if a primary hematologic ... #Workup #hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... • Systemic Lupus ... • CMV • HIV ... Age > 50 • Chronic ... #Hematology #Oncology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... Childhood viruses • HIV ... Idiopathic - Chronic ... Destruction • Systemic Lupus ... #Hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
rash) • Heart, ... erythematosus [SLE ... thrombocytopenia • Liver ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
Pregnancy - TTP/HUS ... and Acute Fatty Liver ... child * Severe cases ... AFLP #obstetrics #hematology ... #diagnosis #table
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... thrombocytopenic purpura ... uremic syndrome (HUS ... usually IgG) (e.g. lupus ... differential #diagnosis #hematology