49 results
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... • Reduced liver ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Early liver disease ... Reduced liver synthesis ... Prolonged #Causes #diagnosis ... #differential # ... hematology #coagulation
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
bleeding disorder Clinical ... INR • Normal aPTT ... factor VIII) Treatment ... VonWillebrand #Disease #Diagnosis ... #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... cases: INR/PT, aPTT ... (liver disease, ... #Workup #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Diagnosis Algorithm ... Chronic Disease (e.g ... Renal Disease, Liver ... #Causes #Hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
established disease) • aPTT ... mixing study (aPTT ... hemophilia type (e.g ... #Management #treatment ... #hematology
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
Often hard to differentiate ... distinction has HUGE treatment ... and first-line treatment ... thrombocytopenia #Comparison #Diagnosis ... #Table #Hematology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Malabsorption (e.g ... ) • Advanced Liver ... Deficiencies #Summary #table ... #comparison #diagnosis ... #hematology #deficiency
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Bleeding / Bruising - Differential ... Diagnosis Algorithm ... Rare • Drugs (e.g ... Iatrogenic) • Liver ... #Causes #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Approach to Anemia - Differential ... Diagnosis Framework ... aciduria, Drugs (e.g ... Non-megaloblastic: Liver ... #Diagnosis #hematology