Question

Difficulty: MediumPhysiological Adaptation

A nurse is providing care for a client with a T4 spinal cord injury. The client suddenly reports a severe, throbbing headache and blurred vision. Assessment reveals profuse diaphoresis above the level of the injury, a heart rate of 48 beats/min48 \text{ beats/min}, and a blood pressure of 218/114 mm Hg218/114 \text{ mm Hg}. Arrange the following nursing interventions in the order they should be prioritized from first to last.

  1. 1Place the client in a high-Fowler's position
  2. 2Loosen constrictive clothing and restrictive bedding
  3. 3Assess the urinary catheter for kinks or palpate the bladder for distention
  4. 4Examine the rectum for a fecal impaction using an anesthetic ointment
  5. 5Administer a prescribed rapid-acting intravenous antihypertensive medication

Answer

The correct sequence for managing autonomic dysreflexia is: elevate the head of the bed, loosen constrictive clothing, check the bladder for distention, evaluate the bowel for impaction, and finally administer antihypertensive medications if non-pharmacological measures fail.
In autonomic dysreflexia, a massive, uncompensated cardiovascular response occurs due to stimulation of the sympathetic nervous system below the level of injury. The immediate goal is to mitigate the severe hypertension to prevent a stroke, which is achieved by sitting the client upright. Subsequently, the nurse must act rapidly to find and eliminate the cause, progressing from the most easily correctable external factors (clothing) to the most common internal factors (bladder, then bowel). Medications are reserved for refractory cases where stimulus removal is inadequate.

Step-by-Step Solution

1
Elevate the head of the bed to a high-Fowler's position.
Takes advantage of orthostatic hypotension to rapidly lower the elevated blood pressure.
This is a life-threatening emergency. The primary risk is a cerebrovascular accident (stroke) from the severe hypertension. Postural changes offer the fastest initial blood pressure reduction.
2
Loosen all constrictive clothing and bedding.
Removes external sensory triggers.
Autonomic dysreflexia is triggered by noxious stimuli below the level of the spinal cord injury. Removing external pressure points is a rapid, non-invasive way to eliminate potential triggers.
3
Assess the urinary system.
Identifies if bladder distention is the trigger.
A distended bladder is the most frequent cause of this condition. Checking for catheter kinks or performing straight catheterization removes this stimulus.
4
Assess the bowel for impaction.
Identifies if fecal impaction is the trigger.
Bowel impaction is the second most common cause. It must be addressed systematically if the bladder is not the source.
5
Administer antihypertensive medication.
Lowers blood pressure pharmacologically.
Medications are used only if nursing interventions to remove the noxious stimuli fail to relieve the hypertensive crisis.

Key Concept

Autonomic dysreflexia is a medical emergency in clients with spinal cord injuries at T6 or above. It requires immediate positioning to lower blood pressure, followed by the systematic identification and removal of the triggering noxious stimulus (usually bladder or bowel).
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