A 15-month-old girl has a history of poor oral fluid intake, occasional vomiting, rapid breathing, and decreased urine output. Physical examination reveals a pulse of 150/min, BP of 120/80, and a respiratory rate of GO/min. There are bibasilar rales, and the liver is palpable. All procedures might be helpful in evaluating the oliguria EXCEPT
A 15-month-old girl has a history of poor oral fluid intake, occasional vomiting, rapid breathing, and decreased urine output. Physical examination reveals a pulse of 150/min, BP of 120/80, and a respiratory rate of GO/min. There are bibasilar rales, and the liver is palpable. All procedures might be helpful in evaluating the oliguria EXCEPT
💡 Explanation
A 15-month-old girl has a history of poor oral fluid intake, occasional vomiting, rapid breathing, and decreased urine output. Physical examination reveals a pulse of 150/min, BP of 120/80, and a respiratory rate of GO/min. There are bibasilar rales, and the liver is palpable. All procedures might be helpful in evaluating the oliguria EXCEPT
✓ Correct Answer: A. Giving a fluid challenge with isotonic saline, 20 ml/kg
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