127 results
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
: <5 mg/dL • Hepatic ... imaging: Hepatic ... of Pregnancy (AFLP ... if severe • Hepatic ... diagnosis #icp #HELLP #AFLP
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... of Pregnancy (AFLP ... infiltrates maternal hepatocytes ... → Liver dysfunction ... iMedEducation #AFLP
Liver Chemistry Tests - AST, ALT, Alkaline Phosphatase and Bilirubin Metabolism
AST and ALT:
 • AST: liver
Liver Chemistry ... ALT: • AST: liver ... In liver, 80% of ... primarily within liver ... Synthesis: in hepatocyte
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Injury: • Hepatic ... Venoocclusive disease • Hepatic ... • AST/ALT > ALP ... disease - If ALP ... hemolysis) • ALP
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Liver Chemistries ... Identify Acute Liver ... - Specific to liver ... - Assists in liver ... replaced by non-hepatic
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Alkaline Phosphatase (ALP ... - Increased ALP ... disturbance (obstructed liver ... Highest • Bone • Liver ... elevation DDX of Hepatic
Hepatic Portal Venous System Drainage Anatomy
1) Most of the blood from abdominal organs goes into the
Hepatic Portal Venous ... goes into the hepatic ... is delivered to hepatocytes ... capillaries of hepatic ... IVC using the hepatic
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... (ALT or AST > ALP ... Wilsons, Pregnancy - AFLP ... Cholestatic Pattern (ALP
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
and Acute Fatty Liver ... of Pregnancy (AFLP ... Hemolysis, Elevated Liver ... exchange 3) Fatty liver ... TTPHUS #HELLP #AFLP
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... specific for the liver ... ALP - Biliary ... Transaminase, ALP ... SinaiBmoreIMRes #Liver