613 results
Copper Deficiency - Mechanisms
There are 2 main mechanisms of copper deficiency
Decreased intake from:
 - Gastric bypass,
Copper Deficiency ... mechanisms of copper deficiency ... Decreased intake ... TPN Decreased uptake ... UTSWIMchief #Copper #Deficiency
Pathogenesis and Pathophysiology of Diabetic Ketoacidosis (DKA)

DKA is a result of an absolute or relative insulin
relative insulin deficiency ... peripheral tissues to uptake
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
., uptake by cells ... malignancy, or thiamine deficiency ... effect - Thiamine deficiency
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
Differentiation of Causes of Hyperthyroidism According to Pattern of Radionucleotide Uptake
Reduced uptake:
 • Thyroiditis
 • Exogenous
Radionucleotide Uptake ... Reduced uptake ... Generalized increased uptake ... Focal increased uptake ... #radionuclide #uptake
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