12 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 ... • Pregnancy: HELLP ... Bilirubin - +/- elevation ... function may be abnormal ... Enzyme Elevation
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
to 10-20-fold elevation ... , no necrosis HELLP ... to 10-20-fold elevation ... hepatology #obstetrics #hepatitis ... diagnosis #icp #HELLP
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
• Infectious: Hepatitis ... NAFLD, Autoimmune hepatitis ... biliary obstruction, HELLP ... Sepsis, Viral Hepatitis ... Causes #Acute #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
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... Differential Diagnosis Algorithm ... Pregnancy - AFLP, HELLP ... disease US — Normal ... • Alcoholic hepatitis
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Hepatocellular Liver ... • Infections: Hepatitis ... NAFLD, Autoimmune, HELLP ... Diagnosis #hepatology #algorithm ... Transaminitis #LFTs #hepatitis
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Differential Diagnosis Algorithm ... Pregnancy - AFLP, HELLP ... LFTs #Elevated #Abnormal ... Transaminitis #Algorithm
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