85 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Splenomegaly, Increased PMNs ... Cyanosis without Pulmonary ... Apnea • Chronic Pulmonary ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... thrombocytosis • Polycythemia ... Non malignant hematologic ... Diagnosis #Algorithm #Causes ... #Hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... Better call hematology ... JAK2 V617F) and MPNs ... about secondary causes ... Algorithm #workup #hematology
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
Causes of Orthopnea ... manipulation - CNS ... MS, Polio - PNS ... Differential #Diagnosis #Causes ... #pulmonary
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Tamponade Pulmonary ... - Water - Pus ... Vasculature: - PE - Pulmonary ... Transverse myelitis • Hematology ... #pulmonary
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Erythrocytosis - Polycythemia ... dL/HCT ≥ 48% Polycythemia ... - Acquired Causes ... Hypoxia-driven: Cardiac/pulmonary ... Diagnosis #Algorithm #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocythemia • Polycythemia ... Differential #Diagnosis #causes ... #Platelets #hematology
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... myelogenous leukemia • Polycythemia ... Diagnosis #Algorithm #Causes ... #Hematology
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 ... #Hematology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Lymphoid (ALL) - PAS ... Lymphadenopathy, CNS ... bcr-able (-) - Polycythemia ... Blood #Disorders #hematology