12 results
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Causes of Pediatric ... Cystic Fibrosis • Celiac ... Disease • Primary ... Inflammatory Bowel Disease ... #Peds #Pediatrics
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... tests Test for celiac ... disease with serology ... change medical management ... Gastrointestinal #Evaluation
Causes of Copper Deficiency - Differential Diagnosis
Hereditary: 
 - Menkes disease, familial hypoceruloplasminemia
Decreased / Inadequate Intake:
Causes of Copper ... Deficiency - Differential ... , Celiac sprue, ... gastrectomy, prolonged diarrhea ... supplements #Copper #Deficiency
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea ... certain foods or meds ... disease Inflammatory ... / #Chronic #Diarrhea ... differential #testing #evaluation
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Abdominal Pain Causes ... have had prior evaluations ... • Vomiting, diarrhea ... bowel syndrome • Celiac ... poisoning • Celiac
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the Evaluation ... Causes of acute ... diarrhea 2. ... Systemic disease ... #management #algorithm
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... tongue), abd pain, diarrhea ... related to IBD, celiac ... disease, other ... #diagnosis #management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
• Autoimmune diseases ... Adult-onset Still disease ... Cellular immune deficiency ... inhibitors under evaluation ... Lymphohistiocytosis #diagnosis #management
Aortic Dissection Pearls
Aortic dissection is caused by a tear in the tunica intima, the innermost layer
dissection is caused ... Evaluation: 1. ... Marfans, EDS ... • Aortic valve disease ... Dissection #diagnosis #management
Causes of Chronic Diarrhea
Osmotic Diarrhea
 1. Medications: antacids, lactulose, sorbitol
 2. Disaccharidase deficiency: lactose intolerance
 3.
Causes of Chronic ... Disaccharidase deficiency ... Crohn disease ... mucosal disorders: celiac ... #Causes #Differential