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Difficulty: EasySurgical and Procedural Interventions

While covering the triage desk, a physician evaluates a 28-year-old G2P1 patient who reports the abrupt onset of excruciating right-sided pelvic pain and light vaginal bleeding. The symptoms started approximately one hour ago. She notes her last menstrual period was seven weeks prior. On evaluation, she is lethargic, pale, and actively shivering. Vital signs demonstrate a blood pressure of 76/40 mm Hg, a heart rate of 142/min, and a respiratory rate of 24/min. Abdominal examination is significant for diffuse rigidity, severe right lower quadrant tenderness, and marked guarding. A rapid bedside urine human chorionic gonadotropin test is positive. Two large-bore intravenous lines are immediately placed for crystalloid resuscitation. Which of the following is the most appropriate next procedural or management step?

  1. Urgent surgical abdominal explorationAnswer
  2. B
    Transvaginal pelvic ultrasonography
  3. C
    Administration of intramuscular methotrexate
  4. D
    Computed tomography scan of the abdomen and pelvis
  5. E
    Admission to the intensive care unit for serial hemoglobin monitoring

Answer

Urgent surgical abdominal exploration
This patient is presenting with hemorrhagic shock and an acute abdomen due to a highly suspected ruptured ectopic pregnancy. In any female of reproductive age with hemodynamic instability, a positive pregnancy test, and a rigid abdomen, life-threatening intra-abdominal hemorrhage must be assumed. The definitive procedural management is urgent surgical intervention (typically laparoscopy or laparotomy) to achieve hemostasis. Delaying surgery for further diagnostic imaging or medical management in an actively exsanguinating patient significantly increases mortality.

Step-by-Step Solution

1
Analyze the patient's vital signs and physical examination.
The patient has profound hypotension (76/40 mm Hg), severe tachycardia (142/min), and a rigid abdomen.
Identifying hemorrhagic shock and peritonitis is critical for triage.
2
Synthesize the presentation with the diagnostic data.
A reproductive-aged female with acute severe pelvic pain, shock, and a positive pregnancy test has a ruptured ectopic pregnancy until proven otherwise.
This triad is the classic presentation for life-threatening intra-abdominal hemorrhage from an ectopic rupture.
3
Determine the necessary intervention.
The patient requires immediate surgery to stop the bleeding.
Resuscitation alone cannot overcome active arterial bleeding; source control via laparotomy or laparoscopy is mandatory.

Key Concept

Emergent surgical intervention for ruptured ectopic pregnancy
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Topics

Surgical and Procedural Interventions

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