3248 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Cobalamin Decreased Intake ... #Vitamin #B12 #Deficiency ... differential #diagnosis #causes
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Drug-Induced • Intact ... Malabsorption, Vit D deficiency ... resistance) • Intact ... sunlight • Other Causes ... Diagnosis #Algorithm #causes
Copper Deficiency - Mechanisms
There are 2 main mechanisms of copper deficiency
Decreased intake from:
 - Gastric bypass,
Copper Deficiency ... mechanisms of copper deficiency ... Decreased intake ... absorption - Reduced intake ... #Causes #differential
Folate Deficiency - Causes of Decreased Folic Acid
↓ Intake: Diet, Age, Alcohol
↑ Demand: Pregnancy, Infancy, Hemolysis,
Folate Deficiency ... - Causes of Decreased ... Folic Acid ↓ Intake ... drkeithsiau #Folate #Deficiency
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... • Diet: ↓ Intake ... drkeithsiau #Iron #Deficiency ... #Causes #differential
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
• Vitamin D Deficiency ... Diuretics Decreased Intake ... - Dietary deficiency ... Alcoholism Decreased Intake ... endocrinology #causes
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 ... differential #diagnosis #causes
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Etiologies of Folate Deficiency ... Decreased dietary intake ... folate that can cause ... if intake is not ... Alcoholics have a poor intake
TAILS Mnemonic for - Causes of Microcytic Anemia
(MCV < 80)

T - Thalassemia - Inherited hemoglobinopathies
A -
Mnemonic for - Causes ... utilization I - Iron Deficiency ... - Most common cause ... microcytic anemia, caused ... by inadequate intake
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Causes of Hypocalcemia ... acute phosphate intake ... Hypophosphatemia: Vitamin D Deficiency ... Diagnosis #Algorithm #Causes