Autonomic Dysreflexia (Hyperreflexia)
Syndrome characterized by paroxysmal hypertension, bradycardia, excessive sweating, facial flushing, nasal congestion, pilomotor responses, and headache. The syndrome occurs with spinal lesions above T6 after the period of spinal shock is complete. Triggers include visceral stimulation from a distended bladder or impacted rectum. The syndrome is a neurological emergency and must be treated immediately to prevent a hypertensive stroke.