9 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... Liver Injury ... • AST/ALT elevation ... • R value = (ALT ... Transaminitis #diagnosis #differential
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
(LFTs) Elevation ... ALP ≥ 2x ULN R Value ... Hepatocellular injury ... #FunctionTest #LFTs ... #diagnosis #hepatology
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Chronic - ongoing ↑ LFTs ... Calculate R-Value ... #differential # ... gastroenterology #algorithm ... gastroenterology #hepatology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... R-value: Serum ... chemistry #diagnosis #differential ... #Hepatology #transaminitis ... #LFTs #RValue #
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Injury - Differential ... Injuryliver ... Injury Differential ... #Injury #Differential ... #LFTs #hepatitis
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... - Differential ... Diagnosis Algorithm ... #differential # ... #hepatology
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
tests algorithm ... magnitude of enzyme elevation ... #LFTs #Abnormal ... #Algorithm #Hepatology ... #Differential #
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Dehydrogenase (LDH) - Differential ... RBCs, muscle, liver ... - Prosthetic valves ... Legionnaires disease • Pulmonary ... Idiosyncratic LDH Elevation
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... to bolus these values ... or renal injury ... output - Acute pulmonary ... #Differential #