Inappropriate shock and percutaneous cardiac intervention: A lesson to learn in the cath lab

Giuseppe Di Stolfo, Sandra Mastroianno, Raimondo Massaro, Carlo Vigna, Aldo Russo, Domenico Rosario Potenza

Research output: Contribution to journalArticlepeer-review


Coronary disease is a common condition in patients affected by heart failure with severely reduced ejection fraction (HFrEF). This condition represents an indication for implantable cardioverter defibrillator (ICD) in order to reduce the risk of sudden death related to arrhythmias. Nevertheless, inappropriate shocks are associated with worse quality of life, hospitalization, and death. We present the case of an inappropriate shock related to percutaneous coronary intervention during the insertion and advancement of the guidewire into the left anterior descending artery (LAD) in a patient with an ICD. Physicians’ awareness about the clinical implication of noise arising during a coronary procedure is very important in patients with an ICD or pacemaker, to avoid inappropriate shock or pacing inhibition and to raise the possibility of lead implantation in or helix protrusion into the coronary lumen.

Original languageEnglish
JournalPACE - Pacing and Clinical Electrophysiology
Publication statusPublished - Jan 1 2019


  • ICD implantation
  • inappropriate shock
  • percutaneous coronary intervention

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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