16 results
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... Interpretation Algorithm ... • Normal • ... #FunctionTests ... Interpretation #Algorithm
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
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
for ST Segment Elevations ... ACUTE STEMI - PULMONARY ... TRAUMATIC BRAIN INJURY ... #STSegment #STElevation
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
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
of ST Segment Elevation ... Diffuse ST-segment elevation ... - ST-segment elevation ... QRS complex Pulmonary ... blocking drugs #STElevation
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
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... A-a gradient to normal ... PiO2: Extreme Elevation ... Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
microvascular injury ... • Normal exercise ... Variable troponin elevation