Answer: B - Abdominal ultrasound will most likely help to confirm the diagnosis of hypertrophic pyloric stenosis. It is more common in boys > 3 weeks old. Vomiting is projectile and non-bilious. Onset of symptoms is usually >3weeks: Surgical pyloromyotomy is definitive treatment.

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CCRN Critical Care Nursing

Category - Neonatal

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A 4 week old child is brought to hospital by his mother after he started vomiting whatever he eats. After vomiting he becomes hungry. Vomiting is projectile in nature and contains the food particles. On examination a palpable mass is felt in upper abdomen and signs of dehydration are present. Which of the following diagnostic modalities will most likely help to confirm the diagnosis?

Abdominal x ray
Abdominal ultrasound
Upper endoscopy
Barium enema

Explanation

Answer: B - Abdominal ultrasound will most likely help to confirm the diagnosis of hypertrophic pyloric stenosis. It is more common in boys > 3 weeks old. Vomiting is projectile and non-bilious. Onset of symptoms is usually >3weeks: Surgical pyloromyotomy is definitive treatment.

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