13 results
Blood Product Components, Contents, Volume and Shelf Life

Whole blood (autologous or directed donations) - RBC and
Blood Product Components ... Hct 35%. 450mL blood ... red cells have a Hct ... Hct 60% Platelet ... Contents #Volume #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
= (Retic %) x (Hct ... the peripheral blood ... infiltration (e.g. cancer ... Production #Index #hematology ... #anemia #differential
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
acid metabolism products ... AP, ↑INR, ↑BUN/Cr ... ↓Antithrombin Ill ... infiltration) Differential ... Liver #Pregnancy #hepatology
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
infection (IFI) in hematologic ... products - ... and allogeneic HSCT ... BAL GM does not differentiate ... 100d following HSCT
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Hb>16.5 g/dL, Hct ... Hb>16.0 g/dL, Hct ... Better call hematology ... Algorithm #workup #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Phagocytosis of blood ... cytokines (TNFa,lL1, IL6 ... B-LNH), solid cancers ... PTLD), allogeneic HSCT ... Lymphohistiocytosis #diagnosis #management
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Blood Product Transfusions ... May have drop in Hct ... Blood products contain ... #diagnosis #management ... #hematology #reactions
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
Fibrin degradation products ... decrease in most cases ... of Peripheral blood ... WBC count and differential ... Diagnosis #Workup #Hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
May have drop in Hct ... Causes purpura & ... Blood products contain ... #diagnosis #management ... #hematology #reactions
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... , cavities • HRCT ... • Pneumonia: blood ... BOOP #pulmonary #ILD ... #diagnosis #management