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Zorluk: KolayGastroenterology and Hepatology

A 28-year-old man comes to the clinic reporting a 2-day history of watery, non-bloody diarrhea. He reports passing 4 to 5 loose bowel movements per day, accompanied by mild, diffuse abdominal cramping. He denies having any fever, nausea, vomiting, or recent travel history. He has no significant past medical history, takes no medications, and has had no recent sick contacts. Vital signs include a temperature of 37.1°C (98.8°F), blood pressure of 118/76 mmHg, pulse of 82/min, and respiratory rate of 14/min. Physical examination reveals a soft, non-distended abdomen with mild diffuse tenderness and hyperactive bowel sounds. There is no rebound tenderness or guarding. Which of the following is the most appropriate next step in the management of this patient?

  1. Reassurance and oral rehydration therapyCevap
  2. B
    Empiric therapy with ciprofloxacin
  3. C
    Empiric therapy with azithromycin
  4. D
    Empiric therapy with metronidazole
  5. E
    Empiric therapy with piperacillin-tazobactam

Cevap

Reassurance and oral rehydration therapy is the most appropriate next step.
This patient's presentation of acute, watery, non-bloody diarrhea with mild cramping and normal vital signs is highly characteristic of acute viral gastroenteritis. In the absence of 'red flag' symptoms such as high fever, severe abdominal pain, bloody stools, or signs of severe volume depletion, diagnostic testing (like stool cultures) and antibiotic therapy are not indicated. The cornerstone of management for uncomplicated acute diarrhea is supportive care, primarily focusing on fluid and electrolyte replacement with oral rehydration therapy. This condition is self-limiting and typically resolves within a few days without any pharmacological intervention.

Adım Adım Çözüm

1
Evaluate the patient's clinical presentation and vital signs.
The patient has acute, non-bloody diarrhea with stable vital signs, no high fever, and a benign abdominal examination.
To distinguish between uncomplicated gastroenteritis and severe or invasive disease that might require further diagnostic workup.
2
Determine the need for diagnostic testing or empiric antibiotics.
Given the complete absence of 'red flag' symptoms (e.g., bloody stools, high fever, severe focal pain, signs of volume depletion), diagnostic testing and antibiotics are unnecessary.
Most cases of acute diarrhea are viral in etiology. Antibiotics do not alter the clinical course of viral gastroenteritis and can lead to adverse effects or resistance.
3
Select the appropriate management strategy.
Supportive care with oral rehydration therapy is chosen as the definitive plan.
This is the gold standard of care for acute, uncomplicated diarrhea to prevent dehydration while the illness self-resolves.

Anahtar Kavram

The management of acute uncomplicated diarrhea involves supportive care and oral rehydration, avoiding unnecessary empiric antibiotics to adhere to proper antimicrobial stewardship.
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Gastroenterology and Hepatology

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