A 43-year-old man seeks evaluation at emergency department with complaints of fever with chills, melaise, diffuse abdominal pain for over a week, diarrhea and loss of appetite. He says that his symptoms are progressively getting worse. He recalls that the fever began slowly and climbed its way- up stepwise to the current 39.8°C. His blood pressure is 110/70 mm Hg. A physical exam reveals a coated tongue, enlarged spleen and rose spots on the abdomen. Serologic study shows the agglutinin O titre of 1:200 by the Widal test. Which of the following is the most likely causative organism for this patient's condition?

Питання КРОК 1 (медицина) · тест з варіантами та поясненням · Medus

EN: A 43-year-old man seeks evaluation at emergency department with complaints of fever with chills, malaise, diffuse abdominal pain for over a week, diarrhea and loss of appetite. He says that his symptoms are progressively getting worse. He recalls that the fever began slowly and climbed stepwise to the current 39.8°C. His blood pressure is 110/70 mm Hg. A physical exam reveals a coated tongue, enlarged spleen and rose spots on the abdomen. Serologic study shows the agglutinin O titre of 1:200 by the Widal test. Which of the following is the most likely causative organism for this patient's condition?

Варіанти відповідей

1. Mycobacterium tuberculosis
2. Enterohemorrhagic E. coli
3. Vibrio cholerae
4. Leptospira interrogans
5. Salmonella typhi

Answer options (EN)

1. Mycobacterium tuberculosis
2. Enterohemorrhagic E. coli
3. Vibrio cholerae
4. Leptospira interrogans
5. Salmonella typhi

Правильна відповідь

Salmonella typhi

Пояснення

Ступінчаста лихоманка, збільшена селезінка, обкладений язик, трохив'язка на животі та позитивна реакція Відаля (аглютинін O) типовий для брюшного тифу, збудник - Salmonella typhi. Туберкульоз, EHEC, холера та лептоспіроз дають іншу клініку та серологію.

Зустрічається в буклетах

• 2019 рік (English)
• 2022 рік, 1 день (English)
• 2022 рік, 2 день (English)

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