26 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Diagnosis and Workup ... for decreased PLT ... changes), high MCV anemia ... #Workup #hematology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Algorithm and Causes ... breakdown • Anaemia ... Hemolysis #Hemolytic #Anemia ... #Differential #Causes ... #Workup #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic Anemia ... Heart Valve) #Thrombocytopenia ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... following EtOH induced thrombocytopenia ... Iron deficiency anemia ... Diagnosis #Algorithm #Causes ... #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... Treat primary cause ... abnormalities - PLT ... Coagulation #diagnosis #causes ... treatment #management #hematology
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... is rare (< 10% cases ... ), cough (30% cases ... immature forms) • Anemia ... and thrombocytopenia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Schistocytes, thrombocytopenia ... ARUPLabs #Hemolytic #Anemia ... Diagnosis #Algorithm #workup ... #hematology #testing
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... Microangiopathic hemolytic anemia ... microangiopathy: Thrombotic thrombocytopenic ... Extravascular #Causes ... #anemia
Heparin Induced Thrombocytopenia (HIT) - Diagnosis and Management - GrepMed Handbook

Presentation: 
 • Plts ↓50% (nadir
Heparin Induced Thrombocytopenia ... ♀, ↑Age, ESRD Pathophysiology ... heparin-PF4 complex → plt ... hypercoagulable state and plt ... Management #Treatment #Hematology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Aplastic Anemia ... infections/fevers • Thrombocytopenia ... and petechiae Causes ... • ↓ WBC • ↓ PLT ... #oncology #hematology