26 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... thrombocytosis • Polycythemia ... effect following treatment ... #Hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Differential Diagnosis ... - Acquired Causes ... Hypoxia-driven: Cardiac/pulmonary ... #Vera #PV #Differential ... Diagnosis #Algorithm #hematology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Erythrocytosis) - Differential ... Cyanosis without Pulmonary ... Apnea • Chronic Pulmonary ... #Hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... an underlying cause ... that a one-off value ... Better call hematology ... #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential ... thrombocythemia (ET) • Polycythemia ... Myelodysplastic syndrome ... #hematology #secondary
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... Rebound effect from treatment ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Dyspnea - Differential ... Hepatopulmonary syndrome ... Transverse myelitis • Hematology ... #dyspnea #sob #differential ... #pulmonary
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
von Willebrand Syndrome ... disorders (e.g. polycythemia ... vonWillebrand #Syndrome ... Diagnosis #Management #treatment ... #hematology #differential
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... 1,500 cells/µL Workup ... glucocorticoid treatment ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... priapism • Lab values ... organ damage • Treatment ... sudden death • Lab values ... diagnosis #management #hematology