Question

Difficulty: MediumNormal Growth and Development

Match each pediatric clinical presentation to the most appropriate next step in management based on developmental guidelines and red flags.

  • An 18-month-old boy who brings objects to parents for help but does not point to share interest, has poor eye contact, and inconsistently responds to his name.Administer an autism-specific screening tool
  • A 24-month-old girl who speaks in 2-word phrases and runs, but persistently walks on her toes and exhibits increased bilateral calf tone.Refer for a formal neurological evaluation
  • A 15-month-old boy who walks independently and follows 1-step commands with gestures, but does not use any recognizable words and rarely babbles.Refer for a formal audiology evaluation
  • A 4-year-old boy who copies a cross, hops on one foot, and plays cooperatively, but occasionally repeats the first syllables of words when excited.Provide reassurance and continue routine observation

Answer

The presentations match as follows: The 18-month-old requires an autism-specific screening tool, the 24-month-old requires a neurological evaluation, the 15-month-old requires an audiology evaluation, and the 4-year-old requires reassurance and observation.
Each matching correctly pairs a specific developmental presentation with its evidence-based next step. The 18-month-old demonstrates impaired joint attention and social reciprocity, which are hallmark signs of autism spectrum disorder (requiring screening). The 24-month-old displays motor red flags indicative of spasticity (requiring neurology). The 15-month-old exhibits delayed expressive language without other global delays (requiring audiology). The 4-year-old presents with benign developmental stuttering (requiring reassurance).

Step-by-Step Solution

1
Analyze the 18-month-old's presentation (social/language domain).
Identify red flags for social communication deficits.
Early identification of autism spectrum disorder allows for early intervention, which significantly improves long-term developmental outcomes.
2
Analyze the 24-month-old's presentation (motor domain).
Identify signs of spasticity or upper motor neuron dysfunction.
Toe walking is only considered benign (idiopathic) if muscle tone and neurologic exams are entirely normal; increased tone necessitates neurological investigation.
3
Analyze the 15-month-old's presentation (language domain).
Identify an isolated expressive language delay.
Hearing loss is the most common reversible cause of isolated speech delay and must be ruled out before pursuing other speech/language interventions.
4
Analyze the 4-year-old's presentation (speech domain).
Identify normal developmental dysfluency.
Distinguishing transient, normal variants from true pathology prevents unnecessary testing and parental anxiety.

Key Concept

Distinguishing normal developmental variations from pathological delays to determine the appropriate next step in pediatric management.
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