15 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Early liver disease ... Reduced liver synthesis ... Causes #diagnosis #differential ... #hematology #coagulation
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... Drugs/Toxins • Ischemia ... disease US — Normal ... Others #LFTs #Hepatology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... • Reduced liver ... amyloidosis #Abnormal ... Causes #diagnosis #differential ... #hematology #coagulation
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... symptoms/signs ... the magnitude of enzyme ... #Liver #Enzymes ... #Differential #
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
weeks • Typical clinical ... Hepatic imaging: Normal ... enzymes, and Low ... Disease #Pregnancy #hepatology ... hepatitis #comparison #differential
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... organ damage Clinical ... DIC • Severe Liver ... INR < 2.3 - APTT ... treatment #management #hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Autoimmune diseases • Clinical ... the spleen or liver ... also arise in normal ... involvement Differential ... #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
value for this enzyme ... performed PT, PTT ... tissue damage from ischemia ... WBC count and differential ... Diagnosis #Workup #Hematology
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
65 years PBC Pathophysiology ... cholestasis → Cirrhosis/Liver ... failure PBC Signs ... or higher • Liver ... bile ducts Differential
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
Pathogenesis and clinical ... congenital defects) -> Abnormal ... anti-coagulation • Hematologic ... Occlusion #CRAO #pathophysiology ... ophthalmology #diagnosis #signs