• Melissa D McCabe, Richard Cervantes, Jakrin Kewcharoen, Jasmine Sran, and Jalaj Garg.
• Department of Anesthesiology, Loma Linda University School of Medicine, Loma Linda, California. Electronic address: mmccabe@llu.edu.
• J. Cardiothorac. Vasc. Anesth. 2023 Sep 1; 37 (9): 177617841776-1784.

AbstractHeightened sympathetic input to the myocardium potentiates cardiac electrical instability and may herald an electrical storm. An electrical storm is characterized by 3 or more episodes of ventricular tachycardia, ventricular fibrillation, or appropriate internal cardiac defibrillator shocks within 24 hours. Management of electrical storms is resource-intensive and inevitably requires careful coordination between multiple subspecialties. Anesthesiologists have an important role in acute, subacute, and long-term management. Identifying the phase of an electrical storm and understanding the characteristics of each morphology may help the anesthesiologist anticipate the management approach. In the acute phase, management of an electrical storm is aimed at providing advanced cardiac life support and identifying reversible causes. After initial stabilization, subacute management focuses on dampening the sympathetic surge with sedation, thoracic epidural, or stellate ganglion blockade. Definitive long-term management with surgical sympathectomy or catheter ablation also may be warranted. Our objective is to provide an overview of electrical storms and the anesthesiologist's role in management.Copyright © 2023 Elsevier Inc. All rights reserved.

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