42 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Intestine: SIBO, Celiac ... disease, IBD, Lymphoma ... #B12 #Deficiency
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... B12 Levels Low ... vitamin B12 intake ... , coeliac disease ... #differential #diagnosis
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Polyphenol / tannins, ↓ Vitamin ... Drugs, H pylori, Celiac ... disease (↑ hepcidin ... #diagnosis #anemia
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Underproduction Diagnostic ... - Anemia of chronic ... - Anemia of chronic ... kidney disease ... - Vitamin B12 and
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Causes of Pediatric ... - Differential Diagnosis ... Cystic Fibrosis • Celiac ... Disease • Primary ... #Peds #Pediatrics
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... kidney disease, ... Megaloblastic: Vitamin ... B12 deficiency, ... #causes #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... - Differential Diagnosis ... (>100 fL) • B12 ... #Differential #Diagnosis ... #Algorithm #Causes
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
Algorithm for the evaluation ... the most likely cause ... B12 deficiency ... deficiency. ... #Diagnosis #Macrocytosis
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Hypocalcemia Laboratory Evaluation ... D deficiency ... - Chronic kidney ... disease #Hypocalcemia ... Hyperparathyroidism #Diagnosis
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Elite athletes • Chronic ... Bleeding, Edema, Celiac ... #differential #diagnosis ... #causes #nutrition