76 results
Polycythemia (Erythrocytosis) - Pathophysiology

#Polycythemia #Erythrocytosis #Pathophysiology #hematology #algorithm #differential #diagnosis
Polycythemia (Erythrocytosis ... Pathophysiology #Polycythemia ... Pathophysiology #hematology ... #algorithm #differential
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... Cyanosis without Pulmonary ... Apnea • Chronic Pulmonary ... Erythrocytosis #Differential ... Algorithm #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... thrombocytosis • Polycythemia ... Non malignant hematologic ... states • Non-hematologic ... Thrombocytosis #Differential
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Better call hematology ... V617F) and MPNs (MPL ... #Differential # ... Algorithm #workup #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... thrombocythemia (ET) • Polycythemia ... myeloid leukemia (CML ... Thrombocytosis #Differential ... Diagnosis #Causes #hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Erythrocytosis - Polycythemia ... Differential Diagnosis ... Hypoxia-driven: Cardiac/pulmonary ... #Vera #PV #Differential ... Diagnosis #Algorithm #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... Thrombocythemia • Polycythemia ... Thrombocytosis #Differential ... causes #Platelets #hematology
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Leukocytosis - Differential ... Features of hematologic ... Labs: anemia, ↑ MCV ... #Leukocytosis #Differential ... Diagnosis #Algorithm #hematology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- Markers and Differential ... CD23, o CML ... bcr-able (-) - Polycythemia ... Blood #Disorders #hematology ... #Markers #Differential
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Neutrophils - Differential ... myelogenous leukemia • Polycythemia ... #Neutrophils #Differential ... Algorithm #Causes #Hematology