Question #19: Can You Diagnose This Gastrointestinal Infection?

Patient Case Studies

Case 1:

A 32-year-old man presents with the following symptoms:

  • Severe abdominal cramping and pain
  • Diarrhea, sometimes bloody
  • Nausea and vomiting
  • Fever and chills

Additional notes: The patient reports that the symptoms started two days after eating undercooked chicken at a barbecue. He has no significant medical history.

Blood Test Result Normal Range
White Blood Cell (WBC) Count 14,000 cells/mcL 4,000-11,000 cells/mcL
C-Reactive Protein (CRP) 30 mg/L 0-10 mg/L
Stool Culture Positive for Campylobacter species Negative

Case 2:

A 28-year-old woman presents with the following symptoms:

Information verified by the iythealth.com team.
  • Frequent, watery diarrhea
  • Abdominal pain that comes in waves
  • General malaise and weakness
  • Low-grade fever

Additional notes: She mentions that she recently returned from a trip abroad where she ate various street foods. Her symptoms began three days after returning home.

Blood Test Result Normal Range
White Blood Cell (WBC) Count 12,500 cells/mcL 4,000-11,000 cells/mcL
C-Reactive Protein (CRP) 22 mg/L 0-10 mg/L
Stool Culture Positive for Campylobacter species Negative

Question: Based on the provided symptoms, patient histories, and blood test results, what is the most likely diagnosis?






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