5783 results
Polycythemia (Erythrocytosis) - Pathophysiology

#Polycythemia #Erythrocytosis #Pathophysiology #hematology #algorithm #differential #diagnosis
Polycythemia (Erythrocytosis ... Pathophysiology #Polycythemia ... #differential #diagnosis
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Diagnosis Algorithm ... Polycythemia itself ... isn’t a diagnosis ... you’ve made a diagnosis ... #Differential #Diagnosis
Polycythemia vera, Essential thrombocythemia, Primary myelofibrosis Diagnosis Algorithm
 • Polycythemia vera → Blood JAK2 mutation screening
Polycythemia vera ... myelofibrosis Diagnosis ... Algorithm • Polycythemia ... hematology #PV #ET #diagnosis
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Increased PMNs • Polycythemia ... Pulmonary Disease #Polycythemia ... #Differential #Diagnosis
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Erythrocytosis - Polycythemia ... Differential Diagnosis ... dL/HCT ≥ 48% Polycythemia ... Vera Secondary Polycythemia ... #Differential #Diagnosis
Differential Diagnosis: Cyanosis - Mnemonic "COLD PALMS"
Peripheral cyanosis 
• Cold 
• Obstruction 
• LVF and shock
Differential Diagnosis ... Central cyanosis • Polycythemia ... Cyanosis #COLDPALMS #Diagnosis
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
- Differential Diagnosis ... Thrombocythemia • Polycythemia ... #Differential #Diagnosis
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
- Differential Diagnosis ... myelogenous leukemia • Polycythemia ... #Differential #Diagnosis
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential Diagnosis ... thrombocythemia (ET) • Polycythemia ... #Differential #Diagnosis
Hepatomegaly - Differential Diagnosis Algorithm
Malignant
 • Primary Carcinoma
 • Metastases
 • Lymphoma
 • Leukemia
 • Polycythemia
- Differential Diagnosis ... • Leukemia • Polycythemia ... #Differential #Diagnosis