30 results
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Presentation / Diagnosis ... symptoms can mimic common ... Diagnosis via genetic ... Splenomegaly • Low ... management #treatment #hematology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
- Differential Diagnosis ... B-Cell ~90% • Low ... Lymphoproliferative #Disorders #Classification ... #pathophysiology ... #Hematology #Diagnosis
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... - Differential Diagnosis ... Algorithm Low ... #Anemia #MCV #Classification ... #Hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
) Classification ... (NSHL) - (most common ... may be high or low ... #classification ... #hematology #oncology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
(particularly common ... losses - Chronic diarrhea ... #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... • Burns • Diarrhea ... JAK-2 Positive - Low ... #Hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Common Variable ... • Infectious diarrhea ... : • Low serum IgG ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
failure -> death Common ... : GI (vomiting/diarrhea ... #diagnosis #management ... #differential #causes ... #classification
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
failure -> death Common ... : GI (vomiting/diarrhea ... #diagnosis #management ... #differential #causes ... #classification
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
hyperinflammatory syndrome caused ... : - Common in ... Pathophysiology ... Low/absent NK-cell ... #Management #Hematology