19 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Erythrocytosis) - Differential ... Splenomegaly, Increased PMNs ... Erythrocytosis #Differential ... #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... / Bruising - Differential ... Destruction • Abnormal ... Disease Vascular System ... #Hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
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Causes of Extravascular ... Intravascular Hemolysis - Differential ... Drug-induced AIHA - Abnormal ... • PCH • PNH ... #Hematology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... - CRP: Usually normal ... • Immunologic Workup ... Positive in 60-80% of cases ... Management #Summary #rheumatology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... associated with systemic ... amyloidosis #Abnormal ... #diagnosis #differential ... #hematology #coagulation
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... frequently affected systems ... Better call hematology ... JAK2 V617F) and MPNs ... #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... associated with systemic ... Jcortesizaguirr #Abnormal ... #diagnosis #differential ... #hematology #coagulation
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
• Immunologic Workup ... Discontinuation of causal ... months to years) Systemic ... • Immunologic Workup ... comparison #table #rheumatology
Quincke's Pulse in a patient with a normal echocardiogram (non-valvular)

A 70 y/o man presents with new
patient with a normal ... dyspnea, orthopnea/PND ... Echo: preserved systolic ... Workup for cause ... highest on my differential
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
levels - Usually normal ... decrease in most cases ... WBC count and differential ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology