31 results
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
- Differential Diagnosis ... Cystic Fibrosis • Celiac ... Disease • Primary ... #Differential #Diagnosis ... Algorithm #Causes #Peds
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... patients with anemia, diagnose ... inflammation or chronic ... tests Test for celiac ... disease with serology
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 ... ) #Iron #Deficiency ... #differential #diagnosis
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... : • Acute or Chronic ... disorders • Celiac ... disease Tissue ... malignancy • Iron deficiency
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Drugs, H pylori, Celiac ... Inflammation: IBD, Chronic ... disease (↑ hepcidin ... #differential #diagnosis
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Differential Diagnosis ... and Evaluation ... onset (acute vs. chronic ... , liver, renal disease ... Differential #Algorithm #Ddxof
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
insufficiency, Crohn 's disease ... , coeliac disease ... Transcobalamin II deficiency ... #VitaminB12 #deficiency ... #differential #diagnosis
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Hypocalcemia Laboratory Evaluation ... - Vitamin D deficiency ... - Chronic kidney ... disease #Hypocalcemia ... Hyperparathyroidism #Diagnosis
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea ... certain foods or meds ... Consider testing for celiac ... disease Inflammatory ... differential #testing #evaluation
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
- Differential Diagnosis ... have had prior evaluations ... did not yield a diagnosis ... bowel syndrome • Celiac ... poisoning • Celiac