38 results
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
• Vasculitis Coagulation ... • Factor VIII Deficiency ... • Factor IX Deficiency ... • Vitamin K Deficiency ... Algorithm #Causes #Hematology
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 ... Pathophysiology #Coagulation ... #Cascade #Hematology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Summary of Coagulation ... Hemophilia A - Deficiency ... EricsMedicalLectures/ #Coagulation ... comparison #diagnosis #hematology ... #deficiency
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Reactive: • Anemia/blood ... loss (Fe deficiency ... causes #Platelets #hematology
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Peripheral Blood ... Bite cells: G6PD deficiency ... #Peripheral #Blood ... Smear #Analysis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... • Nonmalignant hematologic ... : Acute blood loss ... Acute hemolysis, deficiency ... Diagnosis #Algorithm #hematology
Thromboelastography (trademarked as TEG)
 • Graphical representation of the fibrin polymerization process
 • Point-of-care anti-coagulation monitoring
Point-of-care anti-coagulation ... transfusion of blood ... need for specific blood ... ↑ → fibrinogen deficiency ... interpretation #hematology
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Iron Deficiency ... TSAT, sTfR • Blood ... Zinc excess or deficiency ... , Copper deficiency ... Algorithm #ferritin #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
vascular disorders, coagulation ... Platelet defects • Coagulation ... Kasabach-Merritt syndrome Coagulation ... necrosis) • VIT K deficiency ... Differential #Diagnosis #hematology
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
Intravascular Coagulation ... consumption of coagulation ... acute-phase reactant Blood ... Intravascular #Coagulation ... Scoring #diagnosis #hematology