13 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... lymphoproliferative disorders ... #Causes #differential ... #diagnosis #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... (common causes ... glucocorticoid treatment ... #Differential # ... diagnosis #hematology
Hypereosinophilia Syndrome (HES) - Diagnosis and Management
Definition: An absolute eosinophil count (AEC) greater than 1500 and
(HES) - Diagnosis ... Secondary Causes ... hypersensitivity - Infection ... #diagnosis #hematology ... #differential #
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... blood loss, Acute hemolysis ... Rebound effect from treatment ... #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... drug induced • Infections ... #Diagnosis #causes ... #classification ... #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
iron deficiency, hemolysis ... Chronic inflammatory disorders ... Myelodysplastic syndrome ... #Diagnosis #Causes ... #hematology #secondary
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 ... #rheumatology #
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... Diagnosis: • hemolytic ... younger pts) Differential ... the RBCs causing intravascular ... #anemia #hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential ... Diagnosis Neonate ... hypertension and/or drug treatment ... #diagnosis #causes ... #hematology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
ESRD & CAD • Eosinophilic ... GI Disorders ... • Parasitic infections ... cell activation syndrome ... #Diagnosis #hematology