10 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... to platelet disorders ... /Quantity: • Primary ... Diagnosis #hematology ... #rheumatology #
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... (CVID, WAS), (neurologic ... hematologic disorder ... #Platelet #Disorders ... #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Myelogenous Leukemia • Primary ... • Rheumatic disorders ... • Celiac disease ... Iron deficiency anemia ... #Causes #Hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... Primary hematological ... Metastatic Disease ... #Workup #Differential ... #Hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... Primary hematological ... Metastatic Disease ... #Workup #Differential ... #Hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
15% of AIHA Primary ... Secondary Cold ... Agglutinin Disease ... younger pts) Differential ... #anemia #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
with or without platelet ... Agglutination - Cold agglutinins ... Schistocytes, thrombocytopenia ... Consider RBC membrane disorder ... #workup #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
purpura (TTP), ... usually IgM) (e.g. primary ... cold agglutin disease ... lymphoproliferative disorders ... #diagnosis #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Abnormalities in primary ... or secondary hemostasis ... : - Thrombocytopenia ... - Abnormal platelet ... deficiency Work
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... DDX: Rule Out Secondary ... Myeloproliferative Disease ... blood count with differential ... Syndromes #diagnosis #hematology