7 results
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Function Test (LFTs) Elevation ... vs bone Bili - Direct ... Obstructive) vs Indirect ... SinaiBmoreIMRes #Liver #FunctionTest ... #LFTs #Elevation
Approach to Conjugated Hyperbilirubinemia - Differential Diagnosis Algorithm

1. Definition: T.bili elevation + >20% conjugated
2. Obtain RUQ
Hyperbilirubinemia - Differential ... Diagnosis Algorithm ... Definition: T.bili elevation ... Hyperbilirubinemia #direct ... #Diagnosis #Algorithm
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
levels - Usually normal ... products or D-dimer - Normal ... platelet number Direct ... Mild-to-moderate elevation ... WBC count and differential
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Bilirubin - +/- elevation ... life: 1 week • Direct ... or amyloid: • Elevation ... of Liver Enzyme Elevation ... chemistry #diagnosis #differential
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... Diagnosis Algorithm ... Bilirubin - +/- elevation ... Half-life: 1 week • Direct ... of Liver Enzyme Elevation
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... magnitude of enzyme elevation ... #Algorithm #Hepatology ... Liver #Enzymes #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... A-a gradient to normal ... PiO2: Extreme Elevation ... • Diffusion Defect ... Hypoxia #hypoxemia #differential