16 results
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
• Factor VIII Deficiency ... • Factor IX Deficiency ... • Vitamin K Deficiency ... • Disseminated ... Algorithm #Causes #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Microcytic - Iron-deficiency ... Thalassemia, Iron-deficiency ... cells - G-6-PD deficiency ... thrombocytopenia (ITP), Disseminated ... #differential #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
single factor deficiency ... severe fibrinogen deficiency ... • Congenital deficiency ... hemorrhage • Disseminated ... #differential #hematology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
- Protein S deficiency ... - Protein C deficiency ... thrombocytopenia - Disseminated ... Venous #Arterial #pathophysiology ... #hematology #differential
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
clotting factor deficiency ... Patient has a factor deficiency ... Study #diagnosis #hematology ... #pathophysiology ... #hematology #laboratory
Non-cirrhotic Hyperammonemia - Differential Diagnosis Framework

Hematologic & Vascular:
 • Multiple myeloma & Acute leukemia (plasma cells
Diagnosis Framework Hematologic ... Defects • OTC deficiency ... (XLR) • Deficiency ... Differential #Diagnosis #Pathophysiology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Acquired deficiency ... Early vitamin K deficiency ... Congenital deficiency ... Disseminated intravascular ... #differential #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Disseminated Intravascular ... protein C and S Pathophysiology ... thrombopoietin deficiency ... bleeding #DIC #Disseminated ... treatment #management #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): - Disseminated ... G6PD deficiency) ... differential #diagnosis #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Clotting factor deficiency ... Meningococcemia - Disseminated ... - Nutritional deficiency ... Algorithm #Causes #dermatology