476 results
Infections in Immunocompromised Patients - Differential Diagnosis Summary
Innate Immunity:
 • Neutropenia
 • Phagocytic Deficiencies
 • Complement
Diagnosis Summary Innate ... • Complement Deficiency ... cell-mediated) Both Innate
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
of Vitamin B12 Deficiency ... Cobalamin Decreased Intake ... #Vitamin #B12 #Deficiency
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
• Vitamin D Deficiency ... Diuretics Decreased Intake ... - Dietary deficiency ... Alcoholism Decreased Intake
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Etiologies of Folate Deficiency ... Decreased dietary intake ... develop folate deficiency ... if intake is not ... Alcoholics have a poor intake
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Iron Deficiency ... Zinc excess or deficiency ... , Copper deficiency ... • Inadequate intake ... MatthewHoMD #Iron #Deficiency
Folate Deficiency - Causes of Decreased Folic Acid
↓ Intake: Diet, Age, Alcohol
↑ Demand: Pregnancy, Infancy, Hemolysis,
Folate Deficiency ... Decreased Folic Acid ↓ Intake ... drkeithsiau #Folate #Deficiency
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... • Inadequate Intake ... cancer) #Iron #Deficiency
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
LOW VIT D - Deficiency ... (sunlight), ↓ Intake ... Radiation - Mg+ deficiency
Diagnosing Vitamin B12 and/or Folate Deficiency

It turns out that simply measuring serum levels of B12 or
and/or Folate Deficiency ... to diagnosis deficiency ... levels will be deficient ... accumulate in B12 deficiency ... tests for B12 deficiency
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... • Diet: ↓ Intake ... drkeithsiau #Iron #Deficiency