2808 results
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... an underlying cause ... Instead, pause, ... Most polycythemia ... about secondary causes
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Increased PMNs • Polycythemia ... Hemoglobinopathy • Familial Polycythemia ... Pulmonary Disease #Polycythemia ... Diagnosis #Algorithm #Causes
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Erythrocytosis - Polycythemia ... dL/HCT ≥ 48% Polycythemia ... Vera Secondary Polycythemia ... - Acquired Causes ... Erythrocytosis #Polycythemia
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... myelogenous leukemia • Polycythemia ... Diagnosis #Algorithm #Causes
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocythemia • Polycythemia ... Differential #Diagnosis #causes
Hyperviscosity Syndrome - Causes and Treatment

 - Waldenstrom macroglobulinemia (most common) / Plasmapheresis 
 - Multiple
Hyperviscosity Syndrome - Causes ... Plateletpheresis - Polycythemia ... Hyperviscosity #Syndrome #Causes
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... disorders (eg. polycythemia ... Spherocytosis • Acquired causes ... Diagnosis #Algorithm #Causes
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... thrombocythemia (ET) • Polycythemia ... Differential #Diagnosis #Causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... thrombocytosis • Polycythemia ... Diagnosis #Algorithm #Causes
Hepatomegaly - Differential Diagnosis Algorithm
Malignant
 • Primary Carcinoma
 • Metastases
 • Lymphoma
 • Leukemia
 • Polycythemia
• Leukemia • Polycythemia ... Diagnosis #Algorithm #Causes