7 results
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Rare • Drugs (e.g ... • Vasculitis Coagulation ... Diagnosis #Algorithm #Causes ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
intravascular coagulation ... (usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... differential #diagnosis #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Nonspecific inhibitors e.g ... to one factor e.g ... e.g. heparin ... inhibitory drugs e.g ... #differential #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
(e.g. heparin contamination ... inhibitory drugs (e.g ... specific inhibitor (e.g ... #differential #hematology ... #coagulation
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
function test, ANA (e.g ... not required in all ... patients if the cause ... or if a primary hematologic ... #Workup #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
incidentally during medical ... for secondary causes ... eosinophilia (common causes ... signs or symptoms (eg ... Differential #diagnosis #hematology
Essential Thrombocythemia (ET)
ET is a chronic myeloproliferative neoplasm. Most cases are related to mutations that affect
• Thrombosis (e.g ... ET-associated mutation (e.g ... thrombocytosis (e.g ... Thrombocythemia #ET #hematology ... diagnosis #management #hematology