9 results
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... AST - Cardiac ... ULN R Value = (ALT ... / ULN ALT) / (ALP ... #FunctionTest #
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... Interpretation Algorithm ... • Normal • ... #Pulmonary #FunctionTests ... #Algorithm #diagnosis
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... /ULN ALT) / (Alk ... than ALTALT ... AST/ALT AST: ... transaminitis #LFTs
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... • Severe - ALT ... • Moderate - ALT ... Others • Mild - ALT ... Burak @kwburak #LFTs
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... than AST • GGT ... Tests of synthetic function ... may be abnormal ... hematoma) • AST
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
disproportionate increase in AST ... /ALT compared with ... compared with AST ... /ALT) Hepatocellular ... Transaminitis #LFTs
Liver Function Tests (LFTs) - Normal Values and Interpretation

Alanine aminotransferase (ALT/SGPT) - Liver, cardiac & skeletal
Liver Function Tests ... (LFTs) - Normal ... aminotransferase (ALT ... aminotransferase (AST ... #Function #Tests
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Severe ALT > 15x ... HELLP Moderate ALT ... • Others Mild ALT ... • Others #LFTs
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... should be requested at ... ; ALT, alanine aminotransferase ... disease; AST, aspartate ... #LFTs #Abnormal