9 results
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Interpretation Algorithm ... • Normal • ... #Pulmonary #FunctionTests ... Interpretation #Algorithm
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... (LFTs) Elevation ... specific for the liver ... #FunctionTest # ... LFTs #Elevation
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Bilirubin - +/- elevation ... function may be abnormal ... Enzyme Elevation ... differential #diagnosis #algorithm
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Check Acute viral hepatitis ... Check Acute viral hepatitis ... Bilirubin - +/- elevation ... Chronic viral hepatitis ... Enzyme Elevation
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
to 10-20-fold elevation ... Hepatic imaging: Normal ... • Histology: Normal-mild ... to 10-20-fold elevation ... hepatology #obstetrics #hepatitis
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... initial response to abnormal ... magnitude of enzyme elevation ... #Algorithm #Hepatology
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Differential Diagnosis Algorithm ... disease US — Normal ... • Alcoholic hepatitis ... Differential #Diagnosis #Algorithm
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
Autoimmune Hepatitis ... disease to acute liver ... hepatocellular pattern of liver ... upper limit of normal ... (rare) - IgG Elevation
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
RBCs, muscle, liver ... upon damage • Normal ... • Early acute hepatitis ... • Ischemic hepatitis ... Idiosyncratic LDH Elevation