Why the study?
Does AV delay optimization improve electrical storm after CRT implantation in a patient with ischemic heart failure?
Does AV delay optimization improve electrical storm after CRT implantation in a patient with ischemic heart failure?
AV delay optimization guided by echocardiography and ECG can effectively treat severe electrical storm occurring immediately after CRT implantation.
AV delay optimization may alleviate post-CRT electrical storm; hypothesis-generating from one case and should not yet change practice.
Electrical Storm After CRT Implantation. We present a case of symptomatic ischemic heart failure with an indication for cardiac resynchronization and implantable cardiac defibrillator therapy in primary prevention. After implantation, the patient developed a severe electrical storm with multiple shocks. Hemodynamic improvement based only on AV delay, guided by echocardiography and ECG, brought about a dramatic improvement in the situation. We discuss the pathophysiology of electrical storm occurring immediately after LV pacing. (J Cardiovasc Electrophysiol, Vol. 21, pp. 211‐213, February 2010)
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Combes et al. (2009) studied this question.
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