78 results
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Rare • Drugs (e.g ... ASA) • Renal Disease ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... • Thrombus (e.g ... Myeloproliferative disorders (eg ... 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
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Summary of Coagulation ... Malabsorption (e.g ... warfarin, DOACs (e.g ... Autoimmune disorders (e.g ... comparison #diagnosis #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Early liver disease ... to one factor e.g ... e.g. heparin ... inhibitory drugs e.g ... #differential #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... organ damage Clinical ... • Severe Liver Disease ... #diagnosis #causes ... #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 Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... (e.g. ... Renal Disease, Liver ... Diagnosis #Algorithm #Causes ... #Hematology
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... structural heart disease ... and an initial ECG ... should be guided by clinical ... The treatment strategy
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... Iron Deficiency (Eg ... Other • e.g ... HgbE, HgbC, etc. ... #Hematology