Calming the Electrical Storm: Use of Stellate Ganglion Block and Thoracic Epidural in Intractable Ventricular Tachycardia.

Imbalances in the autonomic nervous system contribute to ventricular tachyarrhythmias. Sympatholysis with thoracic epidural analgesia or a stellate ganglion block attenuates myocardial excitability and the proarrhythmic effects of sympathetic hyperactivity.