A 72-year-old woman falls at home after an episode of dizziness. She had been complaining of low-back pain for 3 days before the fall. In the emergency department, she is hypotensive and has cold, clammy extremities. A pulsating mass is palpable on abdominal examination. Following resuscitation, the next step in the management should involve which of the following?
A 72-year-old woman falls at home after an episode of dizziness. She had been complaining of low-back pain for 3 days before the fall. In the emergency department, she is hypotensive and has cold, clammy extremities. A pulsating mass is palpable on abdominal examination. Following resuscitation, the next step in the management should involve which of the following?
💡 Explanation
**Core Concept:**
The question is based on the clinical scenario of a patient with acute severe pain, hypotension, and pulsatile abdominal mass, which could indicate a ruptured abdominal aortic aneurysm (AAA). AAA is a medical emergency requiring prompt intervention.
**Why the Correct Answer is Right:**
The correct answer, Option D, is "Abdominal ultrasound."
This is the appropriate diagnostic modality for evaluating a patient with suspected ruptured AAA. Ultrasound can detect the presence, size, and location of an aneurysm, as well as assess for signs of rupture. It is a non-invasive, cost-effective, and safe procedure, allowing for real-time evaluation and immediate results.
**Why Each Wrong Option is Incorrect:**
A) Option A, "Laboratory tests," is not specific to the diagnosis of AAA and may not provide the necessary information to confirm or rule out the condition.
B) Option B, "Blood pressure monitoring," is important for managing the patient's hemodynamic status but does not directly diagnose AAA.
C) Option C, "Laparotomy (surgery)," is a definitive treatment for AAA but does not diagnose the condition, and considering the patient's hemodynamic instability, a definitive treatment should be postponed until the diagnosis is confirmed.
**Why Each Wrong Option is Incorrect:**
A) Option A, "Laboratory tests," is not specific to the diagnosis of AAA and may not provide the necessary information to confirm or rule out the condition.
B) Option B, "Blood pressure monitoring," is important for managing the patient's hemodynamic status but does not directly diagnose AAA.
C) Option C, "Laparotomy (surgery)," is a definitive treatment for AAA but does not diagnose the condition, and considering the patient's hemodynamic instability, a definitive treatment should be postponed until the diagnosis is confirmed.
**Clinical Pearl:**
Immediate management of a patient with suspected ruptured AAA includes stabilizing the patient's hemodynamics and preparing for either surgical intervention or interventional radiology, based on the ultrasound findings. Delaying surgery until the diagnosis is confirmed allows for better patient selection, reduces unnecessary surgeries, and improves outcomes.
✓ Correct Answer: B. Immediate abdominal exploration
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