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The mean ventricular fibrillation cycle length: a potentially useful parameter for programming implantable cardioverter defibrillators.

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  • Author(s): Li H; Easley A; Windle J; Samoil D; Barrington W
  • Source:
    Pacing & Clinical Electrophysiology (PACING CLIN ELECTROPHYSIOL), Sep1998; 21(9): 1789-1794. (6p)
  • Publication Type:
    Journal Article - research
  • Language:
    English
  • Additional Information
    • Subject Terms:
    • Subject Terms:
    • Abstract:
      In programming the implantable cardioverter defibrillator (ICD), the ventricular tachycardia (VT) detection cycle length (CL) is based on the CL of the documented tachycardia but the ventricular fibrillation (VF) detection CL is set arbitrarily. Appropriate programming of VF detection may not only reduce the incidence of inappropriate ICD shocks for non-VF rhythms but can also avoid the fatal underdetection of VF. The mean VFCL may provide a useful parameter for optimal ICD programming for VF detection if it is reproducible. This study examined the intrapatient reproducibility and interpatient variation of the mean VFCL in 30 ICD patients (25 men and 5 women, mean age 63 ± 13 years). A total of 210 VF episodes (7 ± 4 per patient, range 3-17) induced by T-wave shocks (166) or AC (44) at the ICD implant (30 patients) and the predischarge test (12 of 30 patients) were analyzed. The mean VPCL was calculated from the stored V-V intervals in the ICDs. Although the mean VFCL varied significantly from 171 ± 6 to 263 ± 11 ms (P < 0.01) among different patients, it was reproducible among different VF episodes in an individual patient (maximal variation 4-50 ms, P > 0.05). The mean VFCL was not significantly different between patients with and without antiarrhythmic drugs (210 ± 32 vs 210 ± 23 ms, P > 0.05) and was correlated with the ventricular effective refractory period (r = 0.5, P <= 0.05). The mean VFCL varies greatly among different patients but remains reproducible in an individual patient, suggesting that the mean VPCL may serve as a reference for ICD programming of VP detection.
    • Journal Subset:
      Allied Health; Biomedical; Double Blind Peer Reviewed; Editorial Board Reviewed; Expert Peer Reviewed; Peer Reviewed; USA
    • ISSN:
      0147-8389
    • MEDLINE Info:
      PMID: NLM9744444 NLM UID: 7803944
    • Publication Date:
      20081219
    • Publication Date:
      20150711
    • Accession Number:
      105716883
  • Citations
    • ABNT:
      LI H et al. The mean ventricular fibrillation cycle length: a potentially useful parameter for programming implantable cardioverter defibrillators. Pacing & Clinical Electrophysiology, [s. l.], v. 21, n. 9, p. 1789–1794, 1998. Disponível em: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=rzh&AN=105716883. Acesso em: 23 set. 2020.
    • AMA:
      Li H, Easley A, Windle J, Samoil D, Barrington W. The mean ventricular fibrillation cycle length: a potentially useful parameter for programming implantable cardioverter defibrillators. Pacing & Clinical Electrophysiology. 1998;21(9):1789-1794. Accessed September 23, 2020. http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=rzh&AN=105716883
    • APA:
      Li H, Easley A, Windle J, Samoil D, & Barrington W. (1998). The mean ventricular fibrillation cycle length: a potentially useful parameter for programming implantable cardioverter defibrillators. Pacing & Clinical Electrophysiology, 21(9), 1789–1794.
    • Chicago/Turabian: Author-Date:
      Li H, Easley A, Windle J, Samoil D, and Barrington W. 1998. “The Mean Ventricular Fibrillation Cycle Length: A Potentially Useful Parameter for Programming Implantable Cardioverter Defibrillators.” Pacing & Clinical Electrophysiology 21 (9): 1789–94. http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=rzh&AN=105716883.
    • Harvard:
      Li H et al. (1998) ‘The mean ventricular fibrillation cycle length: a potentially useful parameter for programming implantable cardioverter defibrillators’, Pacing & Clinical Electrophysiology, 21(9), pp. 1789–1794. Available at: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=rzh&AN=105716883 (Accessed: 23 September 2020).
    • Harvard: Australian:
      Li H, Easley A, Windle J, Samoil D & Barrington W 1998, ‘The mean ventricular fibrillation cycle length: a potentially useful parameter for programming implantable cardioverter defibrillators’, Pacing & Clinical Electrophysiology, vol. 21, no. 9, pp. 1789–1794, viewed 23 September 2020, .
    • MLA:
      Li H, et al. “The Mean Ventricular Fibrillation Cycle Length: A Potentially Useful Parameter for Programming Implantable Cardioverter Defibrillators.” Pacing & Clinical Electrophysiology, vol. 21, no. 9, Sept. 1998, pp. 1789–1794. EBSCOhost, search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=rzh&AN=105716883.
    • Chicago/Turabian: Humanities:
      Li H, Easley A, Windle J, Samoil D, and Barrington W. “The Mean Ventricular Fibrillation Cycle Length: A Potentially Useful Parameter for Programming Implantable Cardioverter Defibrillators.” Pacing & Clinical Electrophysiology 21, no. 9 (September 1998): 1789–94. http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=rzh&AN=105716883.
    • Vancouver/ICMJE:
      Li H, Easley A, Windle J, Samoil D, Barrington W. The mean ventricular fibrillation cycle length: a potentially useful parameter for programming implantable cardioverter defibrillators. Pacing & Clinical Electrophysiology [Internet]. 1998 Sep [cited 2020 Sep 23];21(9):1789–94. Available from: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=rzh&AN=105716883