A spinal cord injury patient develops autonomic dysreflexia (sweating and flushing above injury, severe headache, nasal congestion, anxiety, nausea). After checking his indwelling catheter, which is working without an issue. What would be the next best step?
o Perform digital stimulation to stimulate a bowel movement.
o Lie down flat. Call 9-1-1.
o Take nifedipine or nitroglycerine sublingually.