492 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
mineralocorticoid deficiency ... relative solute intake ... Excessive Free water intake ... #Hyponatremia #differential ... #diagnosis #table
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... • Vitamin D Deficiency ... Diuretics Decreased Intake ... - Dietary deficiency ... Alcoholism Decreased Intake
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Hypocalcemia - Differential ... Drug-Induced • Intact ... Malabsorption, Vit D deficiency ... resistance) • Intact ... #Hypocalcemia #Differential
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 ... #Cobalamin #differential
Folate Deficiency - Causes of Decreased Folic Acid
↓ Intake: Diet, Age, Alcohol
↑ Demand: Pregnancy, Infancy, Hemolysis,
Folate Deficiency ... Decreased Folic Acid ↓ Intake ... drkeithsiau #Folate #Deficiency ... #FolicAcid #differential
Iron Deficiency Anemia - Differential Diagnosis Algorithm

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

 • Blood loss:
Iron Deficiency ... Anemia - Differential ... , Copper deficiency ... • Inadequate intake ... #Anemia #Differential
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Etiologies of Folate Deficiency ... Decreased dietary intake ... if intake is not ... Alcoholics have a poor intake ... #FolicAcid #differential
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 #
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Hypocalcemia - Differential ... acute phosphate intake ... Hypophosphatemia: Vitamin D Deficiency ... #Hypocalcemia #Differential
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
SIADH, Cortisol deficiency ... polydipsia, Low solute intake ... hyponatremia #diagnosis #differential