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 30-year-old woman, gravida 1, para 0, at 30 weeks' gestation is brought to the emergency department because of progressive upper abdominal pain for the past hour. The patient vomited once on her way to the hospital. She states that she initially had dull stomach pain about 6 hours ago, but now the pain is located in the upper abdomen and is more severe. There is no personal or family history of serious illness. She is sexually active with her husband. She does not smoke or drink alcohol. Medications include folic acid and a multivitamin. Her temperature is 38.5°C (101.3°F), pulse is 100/min, and blood pressure is 130/80 mm Hg. Physical examination shows right upper quadrant tenderness. The remainder of the examination shows no abnormalities. Laboratory studies show a leukocyte count of 12,000/mm3. Urinalysis shows mild pyuria. Which of the following is the most likely diagnosis?
assistant
Appendicitis