505 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... and Cholestatic Liver ... value = (ALT + ULN ... phosphatase + ULN ... Transaminitis #diagnosis #differential
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... specific for the liver ... Value = (ALT / ULN ... ALT) / (ALP / ULN ... SinaiBmoreIMRes #Liver
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... Severe ALT > 15x ULN ... Mild ALT < 5x ULN ... #LiverEnzymes #Differential
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Severe - ALT >15X ULN ... Moderate - ALT 5-15X ULN ... Mild - ALT < 5x ULN
Liver Abscess - Differential Diagnosis
Pyogenic:
 • Hepatobiliary
 • Colonic
 • Bacteremia
Entamoeba histolytica:
 • Fecal/oral
 • Colitis
Liver Abscess - ... Differential Diagnosis ... Stool O+P, PCR, serology ... Darcy_ID_doc #Liver ... #Abscess #Differential
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Liver Chemistries ... R-value: Serum (ALT/ULN ... ALT) / (Alk phos/ULN ... Identify Acute Liver ... chemistry #diagnosis #differential
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... hepatocytes → Liver ... malaise) → Acute liver ... AST/ALT (5-10x ULN ... infiltration) Differential
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
(2%), Radius & Ulna ... (5%), Radius & Ulna ... UpperExtremities #diagnosis #neurology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
of Seizures - Differential ... Hypoxia, Uremia, Liver ... Prophyria #Seizures #Differential ... Algorithm #Causes #neurology
Liver Mass Differential Diagnosis
Solid:
 • Benign: Hepatic Hemangioma, Focal nodular hyperplasia, Hepatocellular adenoma, Regenerative nodules
 •
Liver Mass Differential ... Cystadenoma, Polycystic liver ... Echinococcus #Liver ... #Mass #Differential