12 results
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
inhibitor • Liver ... disease Partial ... elevated in: • Heparin ... elevated in: • DIC ... Thromboplastin #laboratory #hematology
Commonly Observed Laboratory Findings in Hepatic / Liver Failure
 - Elevated conjugated and unconjugated bilirubin -
Laboratory Findings in Hepatic ... disease, ALT and ... - Prolonged PT ... As a result of DIC ... #Hepatology #Laboratory
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Medications - Heparin ... ) • Advanced Liver ... Post-partum • Acute DIC ... Summary #table #comparison ... #diagnosis #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Extrinsic Causes: • Liver ... disease • Hypersplenism ... MAHA: TTP, HUS, DIC ... Diagnosis #causes #classification ... #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
MAHA: TTP, HUS, DIC ... Defects, Drugs, Liver ... Defects: Sickle cell anemia ... Dehydrogenase ↑ - Peripheral ... Differential #Diagnosis #hematology
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
Liver Disease in ... DIC • Aminotransferases ... #Disease #Pregnancy ... #hepatology #obstetrics ... #hepatitis #comparison
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT ... D-Dimer: ↑ • Peripheral ... • Severe Liver ... Disease: - Impaired ... treatment #management #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- DIC/TTP/HUS ... - Hemolytic anemia ... deficiency • Liver ... Cholesterol emboli • Septic ... Differential #Diagnosis #hematology
PLATELETS Mnemonic for Causes of Thrombocytopenia

P - Platelet Disorders (DIC, ITP, TTP)
L - Leukemia, Lymphoma
A -
Platelet Disorders (DIC ... A - Aplastic Anemia ... Enlarged Spleen L - Liver ... Disease, Lab error ... Differential #Diagnosis #Hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Early liver disease ... unfractionated heparin ... Reduced liver synthesis ... intravascular coagulation (DIC ... #differential #hematology