Case 107

Paul A. Friedman; Charles D. Swerdlow

doi:10.1007/978-1-84996-390-9_107

Case 107

Paul A. Friedman, Charles D. Swerdlow

Cardiovascular Medicine

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

A 62-year-old woman had previously received an implantable defibrillator due to a history of ventricular tachycardia. She presented following a shock that was not preceded by symptoms. A fracture of the right ventricular 6936 Transvene™ lead was identified as causing noise that led to inappropriate shock. Due to this, the 6936 lead was abandoned, the proximal electrodes capped, and a new Sprint™ 6945 lead placed in the right ventricular apex, taking care to avoid mechanical contact with the abandoned lead. The morning after implantation of the new lead, a pacing threshold test is performed (Fig. 107.1). On the basis of this tracing, what is your diagnosis?

Original language	English (US)
Title of host publication	Cardiac Electrophysiology
Subtitle of host publication	Clinical Case Review
Publisher	Springer London
Pages	423-425
Number of pages	3
ISBN (Print)	9781849963893
DOIs	https://doi.org/10.1007/978-1-84996-390-9_107
State	Published - 2011

ASJC Scopus subject areas

Medicine(all)

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10.1007/978-1-84996-390-9_107

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abstract = "A 62-year-old woman had previously received an implantable defibrillator due to a history of ventricular tachycardia. She presented following a shock that was not preceded by symptoms. A fracture of the right ventricular 6936 Transvene{\texttrademark} lead was identified as causing noise that led to inappropriate shock. Due to this, the 6936 lead was abandoned, the proximal electrodes capped, and a new Sprint{\texttrademark} 6945 lead placed in the right ventricular apex, taking care to avoid mechanical contact with the abandoned lead. The morning after implantation of the new lead, a pacing threshold test is performed (Fig. 107.1). On the basis of this tracing, what is your diagnosis?",

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AB - A 62-year-old woman had previously received an implantable defibrillator due to a history of ventricular tachycardia. She presented following a shock that was not preceded by symptoms. A fracture of the right ventricular 6936 Transvene™ lead was identified as causing noise that led to inappropriate shock. Due to this, the 6936 lead was abandoned, the proximal electrodes capped, and a new Sprint™ 6945 lead placed in the right ventricular apex, taking care to avoid mechanical contact with the abandoned lead. The morning after implantation of the new lead, a pacing threshold test is performed (Fig. 107.1). On the basis of this tracing, what is your diagnosis?

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ER -

Case 107

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