19 results
Hemostasis Physiology

The blood's response to blood vessel injury can be viewed as four interrelated steps. 
Roman
blood's response to blood ... numerals refer to coagulation ... #Hemostasis #Pathophysiology ... #Coagulation #Cascade ... #Hematology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
Peripheral blood ... microangiopathic hemolytic ... Microangiopathic hemolytic ... intravascular coagulation ... #anemia #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
= (Retic %) x (Hct ... long (in days) it ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... Production #Index #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
vascular disorders, coagulation ... Platelet defects • Coagulation ... DIC/TTP/HUS - Hemolytic ... Kasabach-Merritt syndrome Coagulation ... necrosis) • VIT
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Intravascular Coagulation ... ABO incompatible blood ... protein C and S Pathophysiology ... deficiency) • HIT ... treatment #management #hematology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
) -> Increased coagulation ... decreased anti-coagulation ... • Hematologic ... ) -> Increased blood ... Occlusion #CRAO #pathophysiology
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
to 280 U/L • It ... bloodstream Hemolysis ... : • Hemolytic ... deficiency of red blood ... The presence of macro-LDH
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... Immunoglobulin M (IgM) • Blood ... Mycoplasma, EBV, HIV ... sensitize red blood ... #anemia #hematology
Blood Product Components, Contents, Volume and Shelf Life

Whole blood (autologous or directed donations) - RBC and
Blood Product Components ... Life Whole blood ... Hct 35%. 450mL blood ... proteins, all coagulation ... Contents #Volume #Hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Blood Transfusion ... • Febrile Non-Hemolytic ... May have drop in Hct ... Extremely rare - HIV ... diagnosis #management #hematology