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Difficulty: MediumGastroenterology and Hepatology

A 60-year-old man is brought to the emergency department due to sudden-onset, severe, diffuse abdominal pain that began 2 hours ago. He has a history of severe osteoarthritis for which he takes high-dose ibuprofen daily. On physical examination, he appears in significant distress and lies completely still on the stretcher. Vital signs show a temperature of 38.2°C (100.8°F), heart rate of 115/min, and blood pressure of 98/60 mm Hg. Abdominal examination reveals a rigid, board-like abdomen with diffuse rebound tenderness and involuntary guarding. Arrange the following steps in the most appropriate chronological order for the management of this patient's condition.

  1. 1Establish intravenous access, begin aggressive fluid resuscitation, and administer broad-spectrum antibiotics.
  2. 2Obtain an upright chest radiograph to evaluate for pneumoperitoneum.
  3. 3Proceed to the operating room for an emergency exploratory laparotomy.
  4. 4Conduct testing for Helicobacter pylori and administer eradication therapy if indicated.

Answer

The correct chronological management sequence is: 1) Initiate IV fluid resuscitation and antibiotics, 2) Obtain an upright chest radiograph, 3) Perform an emergency exploratory laparotomy, and 4) Test for and treat Helicobacter pylori.
The correct chronological order for managing a patient with an acute abdomen and suspected perforated peptic ulcer begins with securing intravenous access to provide aggressive fluid resuscitation and empiric broad-spectrum antibiotics. Once the patient is being stabilized, an upright chest radiograph is the most appropriate initial diagnostic test to confirm the presence of free intraperitoneal air. After confirmation, the patient must be taken to the operating room for an emergency exploratory laparotomy to surgically seal the perforation and clean the abdominal cavity. Finally, once the acute life-threatening event is resolved, long-term management requires addressing the underlying cause by testing for and treating Helicobacter pylori infection.

Step-by-Step Solution

1
Assess hemodynamic stability and initiate immediate resuscitation.
Intravenous fluids and broad-spectrum antibiotics are administered.
The patient presents with systemic inflammatory response syndrome (SIRS) and peritonitis. Securing ABCs and restoring intravascular volume is always the paramount first step before diagnostic delays.
2
Perform the most appropriate initial diagnostic imaging.
An upright chest radiograph is obtained.
To rapidly confirm the clinical diagnosis of a perforated peptic ulcer by visualizing free air under the diaphragm (pneumoperitoneum), which is faster and more appropriate initially than a CT scan.
3
Perform definitive acute management for the confirmed diagnosis.
An emergency exploratory laparotomy is conducted.
A perforated hollow viscus with diffuse peritonitis is a surgical emergency requiring operative closure (such as a Graham patch) and thorough irrigation of the peritoneal cavity.
4
Manage the underlying etiology to prevent disease recurrence.
Postoperative testing for Helicobacter pylori is performed.
Identifying and eradicating H. pylori (along with discontinuing NSAIDs) addresses the root cause of the peptic ulcer disease and significantly reduces the risk of future ulcer formation and perforation.

Key Concept

The management of a suspected perforated peptic ulcer involves immediate hemodynamic resuscitation (IV fluids and antibiotics), confirmation of pneumoperitoneum via an upright chest radiograph, emergent surgical repair, and subsequent postoperative H. pylori eradication.
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Topics

Gastroenterology and Hepatology

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