34 results
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
for workup of thrombocytopenia ... purpura/hemolytic ... , Hematology 2012 ... , p 193 #Diagnosis ... #Differential #
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
of Bleeding / Bruising ... - Differential ... Diagnosis Algorithm ... Thrombocytopenia ... #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... microangiopathy: Thrombotic thrombocytopenic ... lymphoproliferative disorders ... Extravascular #Causes #differential ... #diagnosis #hematology
Thrombocytopenia - Differential Diagnosis Algorithm

Decreased production:
 • Bone marrow suppression
 • Bone marrow failure
 • Bone
Thrombocytopenia ... - Differential ... Diagnosis Algorithm ... Connective tissue disorders ... #hematology #platelets
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
inherited bleeding disorder ... Clinical • Easy bruising ... platelet count (mild thrombocytopenia ... VonWillebrand #Disease #Diagnosis ... #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Diagnosis Algorithm ... Congestive • Cirrhosis ... Myeloproliferative disorders ... Serum Sickness Hemolytic ... #Causes #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... DIC/TTP/HUS - Hemolytic ... #Diagnosis #hematology ... #nonpalpable #dermatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Diagnosis Algorithm ... • Rheumatic disorders ... following EtOH induced thrombocytopenia ... #Causes #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Diagnosis Algorithm ... Schistocytes, thrombocytopenia ... Consider RBC membrane disorder ... #workup #hematology
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
Purpura or Easy Bruising ... Non-immune - Haemolytic ... bypass Vascular disorders ... #Causes #peds #pediatrics ... #diagnosis #differential