11 results
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Interpretation Algorithm ... • Normal • ... #Pulmonary #FunctionTests ... Interpretation #Algorithm
Approach to Conjugated Hyperbilirubinemia - Differential Diagnosis Algorithm

1. Definition: T.bili elevation + >20% conjugated
2. Obtain RUQ
Approach to Conjugated ... Hyperbilirubinemia - Differential ... Diagnosis Algorithm ... Definition: T.bili elevation ... #Diagnosis #Algorithm
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach ... to Anemia - Differential ... Diagnosis Algorithm ... RBC Production - Normal ... #Differential #
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias - Differential ... Diagnosis Algorithm ... • ↑ Indirect / unconjugated ... Reticulocytes • Abnormal ... #Diagnosis #Algorithm
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Approach to Thrombotic ... Microangiopathy (TMA) - Differential ... and Management Algorithm ... hemosiderin • PT/aPTT normal ... Diagnosis #Management #Algorithm
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... Diagnosis Algorithm ... Bilirubin - +/- elevation ... function may be abnormal ... #diagnosis #algorithm
Liver Chemistries - Interpretation of LFTs

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

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... renal function is normal ... Hypomagnesemia #algorithm ... #differential #
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... tests algorithm ... magnitude of enzyme elevation ... #Algorithm #Hepatology ... Liver #Enzymes #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Approach to the ... /0.8)] - PaO2 Normal ... A-a gradient to normal ... PiO2: Extreme Elevation ... Hypoxia #hypoxemia #differential