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Difficulty: MediumNormal Growth and Development

A couple brings their 15-month-old daughter to the primary care clinic for a scheduled well-child visit. They are anxious because their friends' children of the same age are already walking independently, whereas their daughter only walks while holding onto furniture. The girl was born full-term and her medical history is unremarkable. On observation in the clinic, she easily pulls herself to a standing position and cruises smoothly along the examination table. When sitting, she uses a mature pincer grasp to pick up a small piece of cereal and successfully places a block into a cup. She babbles with varied inflection, uses the words "mama," "dada," and "ball" correctly, and follows a simple one-step command without needing an accompanying gesture. She maintains good eye contact and frequently points to objects she desires. Physical examination reveals normal muscle bulk and tone, and deep tendon reflexes are 2+ and symmetric in all extremities. Which of the following is the most appropriate next step in management?

  1. Provide reassurance and schedule the next routine well-child visitAnswer
  2. B
    Refer the patient for a formal physical therapy evaluation
  3. C
    Obtain a serum creatine kinase level
  4. D
    Order radiography of the hips and pelvis
  5. E
    Refer the patient to a pediatric neurologist

Answer

Provide reassurance and schedule the next routine well-child visit
The correct action is to provide reassurance and schedule routine follow-up. This patient is exhibiting normal developmental progression. While most children take their first independent steps between 12 and 15 months of age, it is considered entirely within the normal range to achieve this milestone up to 18 months. This patient demonstrates age-appropriate gross motor skills by pulling to stand and cruising smoothly. Furthermore, she is appropriately meeting fine motor (mature pincer grasp, placing a block in a cup), language (using 3 specific words, following a 1-step command without a gesture), and social (pointing to desired objects) milestones. Given her normal neurological examination and steady acquisition of skills, there is no evidence of a pathological process. Routine observation is the standard of care.

Step-by-Step Solution

1
Analyze the patient's current gross motor milestone achievements against normal developmental timelines.
The patient pulls to stand and cruises, which are normal gross motor skills for a 15-month-old. Independent walking is not considered strictly delayed until 18 months of age.
Establishing whether a true developmental delay exists is the first step in deciding if clinical intervention is necessary.
2
Evaluate the patient's other developmental domains and physical examination findings.
Fine motor (mature pincer grasp), language (3 words, follows 1-step command without gesture), and social (points to objects) milestones are on track. The neurologic exam is normal.
A global developmental delay or focal neurologic deficits would require a comprehensive diagnostic workup, but an isolated perceived delay in walking with a normal exam is reassuring.
3
Determine the most appropriate management plan.
Reassurance and routine follow-up are indicated.
Since the child has not crossed the 18-month threshold for independent walking and has no other clinical red flags, medical investigations or subspecialty referrals are unwarranted.

Key Concept

Normal pediatric motor milestones indicate that most children walk independently by 12-15 months, but the normal range extends up to 18 months of age.
Estimated Time:1m 0s
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Topics

Normal Growth and Development

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