11 results
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Diagnosis Algorithm ... Thrombocytopenia ... #Algorithm #Causes ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... microangiopathy: Thrombotic thrombocytopenic ... lymphoproliferative disorders ... #hematology #anemia
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
Causes of Purpura ... or Easy Bruising ... Non-immune - Haemolytic ... #Causes #peds # ... pediatrics #diagnosis
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential Diagnosis ... Algorithm • Sickle ... Schistocytes, thrombocytopenia ... Consider RBC membrane disorder ... #hematology #testing
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... inflammation • Thrombocytopenia ... : - Thrombocytopenia ... DIC/TTP/HUS - Hemolytic ... #Differential #Diagnosis
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Algorithm Infectious ... Myeloproliferative disorders ... Serum Sickness Hemolytic ... #Algorithm #Causes ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... • Rheumatic disorders ... following EtOH induced thrombocytopenia ... #Algorithm #Causes ... #Hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... hemostasis: - Thrombocytopenia ... Vasculitis - Collagen disorders ... #Algorithm #Causes ... #dermatology #physicalexam
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Immunodeficiency disorder ... late adulthood • Diagnosis ... specifically immune thrombocytopenia ... and autoimmune hemolytic ... DDX - Other causes
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... caused by blood ... Easy or unusual bruising ... platelet count (thrombocytopenia ... Myelodysplastic #Syndromes #diagnosis