Soru

Zorluk: OrtaInitial Stabilization and Triage

A 35-year-old male is transported to the resuscitation bay by paramedics following a diving accident in a shallow pool. He struck his head on the bottom of the pool. Upon arrival, he is conscious and communicative but completely unable to move his upper or lower extremities.

Initial vital signs show a temperature of 36.0°C (96.8°F), a blood pressure of 75/40 mm Hg, a heart rate of 48/min, and a respiratory rate of 8/min with shallow effort. Pulse oximetry displays 86% on room air.

Neurologic examination demonstrates flaccid paralysis and absent deep tendon reflexes across all four limbs, with a lack of sensation to pinprick below the clavicular line. His extremities are warm and flushed.

Arrange the following management steps in the most appropriate chronological order for this patient's initial stabilization and triage.

  1. 1Perform endotracheal intubation with manual in-line cervical stabilization
  2. 2Administer a rapid intravenous bolus of isotonic crystalloid fluids
  3. 3Initiate an intravenous infusion of a vasopressor (e.g., norepinephrine)
  4. 4Place a transurethral urinary catheter to decompress the bladder
  5. 5Obtain magnetic resonance imaging (MRI) of the cervical spine

Cevap

The correct sequence strictly follows the Advanced Trauma Life Support (ATLS) primary survey: secure the airway (intubation), resuscitate circulation (fluids, then vasopressors for neurogenic shock), perform resuscitation adjuncts (urinary catheter), and finally obtain definitive imaging (MRI).
This patient presents with a high cervical spinal cord injury resulting in respiratory failure and neurogenic shock. The correct management sequence must strictly adhere to the Advanced Trauma Life Support (ATLS) primary survey. First, Airway: The patient's respiratory rate of 8/min and hypoxia indicate impending respiratory failure due to phrenic nerve impairment (C3-C5). Endotracheal intubation with in-line cervical stabilization is the absolute first priority. Second, Circulation (Fluids): The patient exhibits neurogenic shock (hypotension, bradycardia, flushed skin). However, an initial fluid bolus is always the first step for trauma-induced hypotension to address potential concurrent hypovolemia. Third, Circulation (Vasopressors): Because neurogenic shock is characterized by loss of systemic vascular resistance, fluids alone are insufficient. Vasopressors are added next to maintain a mean arterial pressure (MAP) of 85-90 mm Hg, which is critical for spinal cord perfusion. Fourth, Adjuncts: Acute spinal cord injury causes areflexia and urinary retention. Placing a urinary catheter is a standard adjunct performed after the ABCs are stabilized. Finally, Definitive Imaging: MRI is the gold standard for evaluating spinal cord injury but must be deferred until the patient is completely stabilized.

Adım Adım Çözüm

1
Assess and secure the airway (Airway)
Perform endotracheal intubation with in-line cervical stabilization.
The patient has inadequate ventilation and hypoxia due to a high cervical cord injury. This is the most immediate life-threat and must be addressed first.
2
Address hemodynamic instability (Circulation - Initial)
Administer an intravenous crystalloid fluid bolus.
Initial treatment of hypotension in any trauma patient requires fluids to exclude concurrent hemorrhagic hypovolemia, even when neurogenic shock is strongly suspected.
3
Provide targeted therapy for neurogenic shock (Circulation - Secondary)
Initiate a vasopressor infusion.
Fluids alone are usually insufficient for neurogenic shock, which is driven by a profound loss of sympathetic tone. Vasopressors restore systemic vascular resistance to perfuse the injured spinal cord.
4
Perform primary survey adjuncts
Place a urinary catheter.
Spinal shock causes acute urinary retention. Decompressing the bladder is necessary but should only be done after the primary survey (ABCs) is fully addressed.
5
Obtain definitive diagnostic imaging
Perform MRI of the cervical spine.
Advanced imaging requires moving the patient to an isolated environment (the MRI suite) and must only be done once the patient's airway and hemodynamics are completely stabilized.

Anahtar Kavram

In acute spinal cord injury with neurogenic shock, initial stabilization strictly follows the ATLS primary survey (Airway, Breathing, Circulation) prior to diagnostic adjuncts and definitive imaging. Fluid resuscitation must precede vasopressor therapy to rule out hypovolemia.
Bu soruyu puanla