system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 13-month-old boy is brought to the emergency department by his parents 30 minutes after having a 1-minute seizure. He has had a 1-day history of severe diarrhea and fever and 1 episode of vomiting. He has no history of serious illness. His immunization records are not available. He appears restless and cries when picked up from his mother's lap. His temperature is 38.9°C (102°F), pulse is is 150/min, respirations are 30/min, and blood pressure is 90/50 mm Hg. Examination shows a distended abdomen. The extremities are cool to the touch, and his capillary refill time is 2–3 seconds. Further evaluation is most likely to show which of the following?
assistant
Sunken anterior fontanelle