Causes of Developmental Delay - Differential Diagnosis ...

Causes of Developmental Delay - Differential Diagnosis Algorithm

Isolated Domain Delay - Reduced Respiratory Drive:

 • Cognitive Impairment (Mental Retardation, Intellectual Handicap)

 • Developmental Language Disorder

Isolated Domain Delay - Airway Obstruction:

 • Cerebral Palsy

 • Primary Muscle Disorder

Global Developmental Delay:

 • Syndromic

 • Genetic Disorder

 • Teratogenic Disorder (e.g. Fetal Alcohol Spectrum Disorder)

Language and Social Impairment:

 • Autism Spectrum Disorder

 • Pervasive Developmental Disorder

 • Landau-Kleffner Syndrome

 • Selective Mutism

 • Mechanical (e.g. dental, cleft palate)

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