13 results
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Hemolysis - Differential ... anemia • ... Differential #Diagnosis ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... ) (e.g. lupus, CLL ... G6PD deficiency) ... #Causes #differential ... #diagnosis #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... specifically: iron deficiency ... , hemolysis, hemorrhage ... #Diagnosis #Causes ... #hematology #secondary
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
defects (e.g. sickle cell ... anemia, G6PD deficiency ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Leukemia (CLL) ... immunophenotype Clinical ... Leukemia #oncology #hematology ... #hemeonc #diagnosis ... #management
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Clinical Presentation ... symptoms - most common ... Diagnosis: • hemolytic ... younger pts) Differential ... #anemia #hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
Infant/child: - Infection-common ... Megaloblastic anemia-rare ... patients - Infections-common ... #diagnosis #causes ... #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Cellular immune deficiency ... Drugs, Unknown cause ... #management #treatment ... #summary #rheumatology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... anemia) • Systemic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common ... pneumonia • Chronic ... Lung Abscess - Clinical ... #causes #management ... #treatment #diagnosis