A 6-Day-Old Boy Is Brought to the Office for a Routine

question 174

Multiple Choice

A 6-day-old boy is brought to the office for a routine visit after discharge from the hospital.  He is exclusively breastfed and is gaining weight appropriately.  He was born at 40 weeks gestation to a primigravida who had an uncomplicated vaginal delivery.  Physical examination at rest shows bilateral medial deviation of the forefoot.  Ankle movements appear normal, and passive and active movement of the foot results in lateral deviation of the forefoot.  The remainder of the physical examination is normal.  Which of the following is the best next step in management of this patient?

• A)Foot radiographs
• B)Karyotype analysis
• C)Reassurance
• D)Serial manipulation and casting
• E)Ultrasound of hips

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Definitions:

NaOH

Sodium hydroxide, a highly caustic metallic base and alkali that is available in pellets, flakes, and dissolved solutions, used in the manufacturing of many products, including soap and paper.

Strong Base

A substance that can completely dissociate in water to produce hydroxide ions and a corresponding cation.

Hydroxide Ions

Negatively charged ions made of oxygen and hydrogen (OH-), which characterize basic solutions.

pH

A numeric scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 to 14.