16 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... • R value = (ALT ... #Enzymes #LFTs ... Transaminitis #diagnosis #differential ... #hepatology
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
(LFTs) Elevation ... Transaminase >> Alkaline ... Cholestatic Pattern - Alkaline ... ALP ≥ 2x ULN R Value ... #FunctionTest #LFTs
Liver Function Tests (LFTs) - Normal Values and Interpretation

Alanine aminotransferase (ALT/SGPT) - Liver, cardiac & skeletal
(LFTs) - Normal ... Values and Interpretation ... , lungs, RBCs Alkaline ... Function #Tests #LFTs ... #Laboratory #Values
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... compared with alkaline ... disproportionate increase in alkaline ... #Diagnosis #hepatology ... Transaminitis #LFTs
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
ALP) Elevation - Differential ... disturbance (obstructed liver ... Highest • Bone • Liver ... Most common symptoms ... disease - Bone symptoms
Liver Chemistry Tests - AST, ALT, Alkaline Phosphatase and Bilirubin Metabolism
AST and ALT:
 • AST: liver
Tests - AST, ALT, Alkaline ... Alkaline phosphatase ... AlkPhos #Bilirubin #Hepatology ... #Pathophysiology ... #Diagnosis #LFTs
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Chronic - ongoing ↑ LFTs ... or symptoms of ... Calculate R-Value ... Idiosyncratic #differential ... gastroenterology #hepatology
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
suspicious clinical symptoms ... ALP, alkaline phosphatase ... #LFTs #Abnormal ... #Algorithm #Hepatology ... #Differential #
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Pregnancy (AFLP) Pathophysiology ... postpartum): • Initial symptoms ... infiltration) Differential ... #Pregnancy #hepatology ... diagnosis #management #pathophysiology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... R-value: Serum ... chemistry #diagnosis #differential ... #Hepatology #transaminitis ... #LFTs #RValue #