8 results
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
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Summary of Coagulation ... ) • Advanced Liver ... Deficiencies #Summary #table ... #comparison #diagnosis ... #hematology #deficiency
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
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
DIC • Severe Liver ... INR < 2.3 - APTT ... #diagnosis #causes ... #treatment #management ... #hematology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... • Albumin • Coagulation ... #chemistry #diagnosis ... #differential #Hepatology ... #transaminitis
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
DILI) - Stepwise Diagnosis ... to HDS, drugs, OTC ... non-essential drug/HDS treatments ... #Injury #Diagnosis ... #Algorithm #hepatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... cases: INR/PT, aPTT ... (liver disease, ... gastric bypass), LFT ... Causes #Workup #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
thrombocytopenia • Liver ... Hypofibrinogenemia • ↑ PT ↑ PTT ... Treatment: • Corticosteroids ... Activation #Syndrome #Diagnosis ... #Management #Hematology