Causes of Failure to Thrive - Differential Diagnosis Algorithm

Adequate Calorie Consumption

 - Increased Losses:

     • Vomiting

     • Gastroesophageal Reflux

     • Renal Tubular Acidosis

 - Malabsorption:

     • Pancreatic Insufficiency (Cystic Fibrosis)

     • Celiac Disease

     • Liver Disease

 - Increased Demands:

     • Congestive Heart Failure

     • Chronic Respiratory Failure

 - Failure to Utilize:

     • Metabolic Disorders

     • Syndromes

Inadequate Calorie Consumption

 - Organic Illness:

     • Chronic Renal Failure

     • Esophagitis

     • Congenital Heart Defect

     • Structural Dystrophies

 - Protein-Energy Malnutrition:

     • Kwashiokor (inadequate protein intake)

     • Marasmus (inadequate protein and energy intake)

 - Psychosocial Illness:

     • Oral Aversion

     • Neglect

     • Poverty

     • Disturbed Parent-Child Relationship



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