3428 results
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... Bacterial • Viral ... . polycythemia vera ... Spherocytosis • Acquired causes ... Diagnosis #Algorithm #Causes
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... • Abscess • Viral ... • Polycythemia vera ... Diagnosis #Algorithm #Causes
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia Vera ... Polycythemia - Acquired Causes ... Hypoxia-independent: Post-renal ... #Polycythemia #Vera
Hyperviscosity Syndrome - Causes and Treatment

 - Waldenstrom macroglobulinemia (most common) / Plasmapheresis 
 - Multiple
Hyperviscosity Syndrome - Causes ... - Polycythemia Vera ... Hyperviscosity #Syndrome #Causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... • Polycythemia Vera ... Diagnosis #Algorithm #Causes
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... • Polycythemia vera ... Differential #Diagnosis #Causes
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
• Polycythemia Vera ... Differential #Diagnosis #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... BUN: • Chronic renal ... Polycythemia rubra vera ... Diagnosis #Algorithm #causes
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
• Polycythemia Vera ... Chickenpox Other Causes ... Differential #Diagnosis #causes
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... • Polycythemia Vera ... Diagnosis #Algorithm #Causes