15 results
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Function Test (LFTs) Elevation ... Hepatocellular injury ... 2: Cholestatic injury ... SinaiBmoreIMRes #Liver #FunctionTest ... #LFTs #Elevation
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Interpretation Algorithm ... • Normal • ... #Pulmonary #FunctionTests ... Interpretation #Algorithm
Erythrocyte Sedimentation Rate (ESR) and C-reactive Protein (CRP)
Here is a graphic on ESR and CRP. What
can cause an ESR elevation ... with a normal CRP ... Think Normal variation ... active SLE (CRP elevation ... ErythrocyteSedimentationRate #Diagnosis #Laboratory
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
, positive, ST elevations ... Elevation of PR ... indicates atrial injury ... - ECG becomes normal
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Bilirubin - +/- elevation ... function may be abnormal ... of Liver Enzyme Elevation ... differential #diagnosis #algorithm
C-REACTIVE PROTEIN
Discovered by Tillett & Francis in 1930. First identified as a substance in the serum
or minor elevation ... mg/L: Moderate elevation ... 10.0 mg/L: Marked elevation ... 50.0 mg/L: Severe elevation ... Recent injury or
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Bilirubin - +/- elevation ... - If both are normal ... or amyloid: • Elevation ... of ALP • Near normal ... of Liver Enzyme Elevation
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
Expected: Low (or normal ... ) • Elevation ... factors, Can be normal ... clots, Can be normal ... diagnosis #hematology #laboratory
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
upon damage • Normal ... injuries Hepatic Injury ... Hepatocellular Injury ... Idiosyncratic LDH Elevation ... differential #diagnosis #Laboratory
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
microvascular injury ... • Normal exercise ... Variable troponin elevation