Case Report (n=1)
This case illustrates the acute management of inappropriate ICD shocks caused by lead fracture using magnet application and device reprogramming.
A 52-year-old man was brought to the emergency department because of multiple implantable cardioverterdefibrillator (ICD) shocks.His existing dual-chamber pacemaker was upgraded from a biventricular ICD 4 years ago.The ECG in the emergency department showed sinus tachycardia with left bundle-branch block at a rate of 135 bpm.In the emergency department, the patient received 5 additional shocks without a change in rhythm.A donut magnet was placed over the ICD.Interrogation revealed evidence of a lead fracture, and tachycardia therapies were disabled.The high-voltage lead was a Medtronic Sprint Fidelis ICD lead.Admission to the hospital was recommended for definitive correction of his problem.
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Kalahasty et al. (2011) conducted a case report in Implantable cardioverter-defibrillator (ICD) lead failure (n=1). Donut magnet placement and ICD interrogation was evaluated on Diagnosis of lead fracture.
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