5144 results
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... e.g. in vegans), malabsorption ... disease, other malabsorptive ... lacking or there is malabsorption ... Deficiency #diagnosis #management
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute ... Increased fecal fat: Malabsorption ... Chronic #Diarrhea #management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
diarrhea • Malabsorption ... and M panel Management ... DDX - Other causes ... hematology #diagnosis #management
Causes of Nutrient Malabsorption in Children

#Nutrient #Malabsorption #Peds #Pediatrics #Diagnosis #Differential #Gastroenterology #Nutrition
Causes of Nutrient ... Malabsorption in ... #Nutrient #Malabsorption
The Pathophysiology of Fat Absorption and Causes of Malabsorption (steatorrhoea)

#Fat #Malabsorption #Pathophysiology #Differential #Steatorrhea #Diarrhea #Diagnosis
Absorption and Causes ... of Malabsorption ... steatorrhoea) #Fat #Malabsorption
Causes of Failure to Thrive
 - Inadequate intake 
 - Inadequate retention 
 - Malabsorption
Causes of Failure ... retention - Malabsorption ... FailureToThrive #FTT #Causes
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Starvation, Alcoholism, Malabsorption ... starvation, alcoholism, malabsorption ... Diagnosis #Algorithm #causes
Causes of hypophosphatemia - Differential Diagnosis
 • Increased losses: enhanced urinary phosphate excretion
 • Decreased input:
Causes of hypophosphatemia ... input: intestinal malabsorption ... hypophosphatemia #Causes
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... infection, B12 malabsorption ... differential #diagnosis #causes
Diarrhea - Differential Diagnosis Algorithm
Inflammatory
    - Invasive Infections
    - Non-Infections
Watery
Secretory Fatty - Malabsorptive ... Diagnosis #Algorithm #causes