Following a sigmoid colectomy for recurrent diverticulitis four days ago, a 72-year-old female patient suddenly develops severe, poorly localized abdominal pain accompanied by altered mental status. Her vital signs show a temperature of 39.5°C (103.1°F), a heart rate of 128/min, a blood pressure of 78/46 mm Hg, and a respiratory rate of 26/min. Abdominal examination demonstrates diffuse board-like rigidity, involuntary guarding, and profound rebound tenderness. The patient is diagnosed with septic shock secondary to a suspected anastomotic leak. Arrange the following clinical interventions in the most appropriate chronological order of execution.
- 1Establish large-bore intravenous access and initiate a rapid bolus of isotonic crystalloids
- 2Obtain peripheral blood cultures from at least two distinct sites
- 3Administer broad-spectrum intravenous antibiotics
- 4Transfer the patient to the operating room for an emergent exploratory laparotomy
Answer
The correct sequence is to first stabilize hemodynamics with IV fluids, followed by obtaining blood cultures, administering broad-spectrum antibiotics, and finally proceeding to emergent surgery.
The correct sequence adheres to established ATLS and Surviving Sepsis Campaign guidelines. Immediate survival depends on restoring perfusion (fluids). Once perfusion is being addressed, diagnostics for the infection (cultures) must precede the treatment of the infection (antibiotics) to ensure the cultures are accurate. Finally, once the patient is medically optimized to survive anesthetic induction, definitive mechanical source control (laparotomy) must be performed to stop the underlying leak.
Step-by-Step Solution
Key Concept
The Surviving Sepsis Campaign bundle and prioritized management of postoperative acute abdomen.