9 results
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Function Tests (PFTs ... #Pulmonary #FunctionTests ... #PFTs #Interpretation
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Function Test (LFTs ... Hepatocellular injury ... 2: Cholestatic injury ... SinaiBmoreIMRes #Liver #FunctionTest ... #LFTs #Elevation
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... Cholestatic Liver Injury ... Hepatocellular Liver Injury ... Liver #Enzymes #LFTs ... Transaminitis #diagnosis #differential
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Function Tests (LFTs ... ) - Differential ... Drug-induced liver injury ... Function #Tests #LFTs ... #Differential #
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Hepatocellular Liver Injury ... - Differential ... Differential Diagnosis ... #Differential # ... Transaminitis #LFTs
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Patterns of Liver Injury ... Patterns #Liver #Injury ... #hepatology #LFTs ... transaminitis #differential
Diagnosis and Management of Idiosyncratic Drug-induced Liver Injury (DILI)

DILI Types:
 • Intrinsic - predictable, dose dependent
Drug-induced Liver Injury ... dose dependent injury ... Chronic - ongoing ↑ LFTs ... induced #Liver #Injury ... Idiosyncratic #differential
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs ... ALF): • Liver injury ... hepatocellular injury ... chemistry #diagnosis #differential ... transaminitis #LFTs
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
quantify renal injury ... coagulopathy) • CBC w differential ... pericardial effusion) • PFTs ... Renal #Syndromes #differential