8 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
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
Phosphatase (ALP) Elevation ... ALP: - Enzymes ... Other causes of elevation ... consult ALP elevation ... Phosphatase #ALP #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
value for this enzyme ... low, tests to detect ... 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 ... Source of Liver Enzyme ... Elevation: •
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
PiO2: Extreme Elevation ... • Diffusion Defect ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Diagnosis Algorithm ... Bilirubin - +/- elevation ... Half-life: 1 week • Direct ... Source of Liver Enzyme ... Elevation: •
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
function tests algorithm ... the magnitude of enzyme ... elevation and clinical ... LFTs #Abnormal #Algorithm ... #Differential #