31 results
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Function Test (LFTs) Elevation ... SinaiBmoreIMRes #Liver #FunctionTest ... #LFTs #Elevation
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness • Elevated ... weakness, rash • Elevated ... proximal joints, Fever ... Normal or mildly elevated ... Myopathies #myopathy #differential
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
Elevated Lactate ... Dehydrogenase (LDH) - Differential ... myocarditis, rheumatic fever ... Idiosyncratic LDH Elevation ... #differential #
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Fever in Returning ... Regions - Frequent Differential ... Symptoms: • Fever ... Jaundice (and/or elevation ... Returning #Traveler #differential
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
Mild jaundice, Elevated ... to 10-20-fold elevation ... Syndrome (Hemolysis, Elevated ... to 10-20-fold elevation ... hepatitis #comparison #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
of ST Segment Elevation ... - Differential ... segment becomes elevated ... affected area ST Elevation ... #differential #
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
Kinase - Causes of Elevated ... Levels Acute CK Elevation ... Creatine #Kinase #Elevated ... #CK #differential
Causes of Hyperferritinemia - Differential Diagnosis
Ferritin > 1000
Ferritin is the storage form of iron. Increased hepcidin
Hyperferritinemia - Differential ... saturation to differentiate ... inflammatory causes of elevated ... extreme ferritin elevation ... Hyperferritinemia #Differential
Algorithm for the Evaluation of Dysphagia:Oropharyngeal:
- Characterized by difficulty initiating swallowing and accompanied by choking/coughing, nasopharyngeal
, soft palate (elevation ... suprahyoid muscles (elevate ... medulla #Diagnosis #Differential ... Extraluminal #Algorithm #Differential
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
specificity to elevated ... Bilirubin - +/- elevation ... or amyloid: • Elevation ... of Liver Enzyme Elevation ... chemistry #diagnosis #differential