A 24-year-old man presents with bloating, crampy abdominal pain, and diarrhea following ice cream consumption after recent viral gastroenteritis. Vital signs show HR 88 bpm, BP 118/76 mmHg, RR 16, temperature 37.2°C, and SpO2 98% on room air. Stool pH is 5.2, and hydrogen breath test is positive. Colonoscopy reveals normal mucosa without inflammation or ulceration. Which of the following is the most likely diagnosis?
- A)Irritable bowel syndrome
- B)Pancreatic insufficiency
- C)Whipple disease
- D)Lactose intoleranceGABARITO
- E)Celiac disease
Explicação
Lactose intolerance results from lactase deficiency causing osmotic diarrhea and bacterial fermentation of undigested lactose with increased breath hydrogen and low stool pH. Ver explicação completa e trilha adaptativa →