Implantable cardioverter defibrillators

Visia AF™ MRI SureScan™ ICD

<p>The&nbsp;Visia AF™ MRI SureScan™ implantable cardioverter defibrillator (ICD) is issued for tachyarrhythmia management.</p>

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Features

The need for AF diagnostics in single-chambers ICDs:

  • AF increases the risk of stroke by up to five times1
  • AF increases the risk of heart failure by three times2
  • 79–94% of AF episodes are asymptomatic3–8
  • 68% of AT/AF episodes are missed with annual Holter monitoring8
  • 27% of single-chamber ICD patients may also develop new onset AF within the first six months post-implant9

TruAF™ detection algorithm

Atrial fibrillation can conduct into the ventricle resulting in a variable heart rate, which can lead to variability in the timing of the R waves. The TruAF™ detection algorithm monitors R-R variability and looks for patterns, then determines if the variability and pattern are sufficient to meet the classification of AF.

Ordering information

Item number Device Mass
(g)		 Volume
(mL)		 Size — height × width × depth (mm) Connector Maximum programmed / delivered energy
(J)
DVAC3D1 Visia AF™ S VR 77 33 66 × 51 × 13 IS-1 / DF-1 35 / 36
DVFC3D1 Visia AF™ MRI S VR 77 33 66 × 51 × 13 IS-1 / DF-1 35 / 36
DVFC3D4 Visia AF™ MRI S VR 77 33 64 × 51 × 13 DF-4 35 / 36
DVAB2D1 Visia AF™ XT VR 77 33 66 × 51 × 13 IS-1 / DF-1 35 / 36
DVFB2D1 Visia AF™ MRI XT VR 77 33 66 × 51 × 13 IS-1 / DF-1 35 / 36
DVFB2D4 Visa AF™ MRI XT VR 77 33 66 × 51 × 13 IS-1 / DF-4 35 / 36

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  1. Wolf PA, Abbott RD, Kannel WB. Atrial fibrillation as an independent risk factor for stroke: the Framingham Study. Stroke. 1991;22(8):983–988.
  2. Stewart S, Hart CL, Hole DJ, McMurray JJ. A population-based study of the long-term risks associated with atrial fibrillation: 20-year follow-up of the Renfrew/Paisley study. Am J Med. 20021;113(5):359–364.
  3. Strickberger SA, Ip J, Saksena S, Curry K, Bahnson TD, Ziegler PD. Relationship between atrial tachyarrhythmias and symptoms. Heart Rhythm. 2005;2(2):125–131.
  4. Verma A, Champagne J, Sapp J, et al. Discerning the incidence of symptomatic and asymptomatic episodes of atrial fibrillation before and after catheter ablation (DISCERN AF): a prospective, multicenter study. JAMA Intern Med. 2013;173(2):149–156. 
  5. Orlov MV, Ghali JK, Araghi-Niknam M, et al. Asymptomatic atrial fibrillation in pacemaker recipients: incidence, progression, and determinants based on the atrial high rate trial. Pacing Clin Electrophysiol. 2007;30(3):404–411.
  6. Quirino G, Giammaria M, Corbucci G, et al. Diagnosis of paroxysmal atrial fibrillation in patients with implanted pacemakers: relationship to symptoms and other variables. Pacing Clin Electrophysiol. 2009;32(1):91–98.  
  7. Page RL, Wilkinson WE, Clair WK, McCarthy EA, Pritchett EL. Asymptomatic arrhythmias in patients with symptomatic paroxysmal atrial fibrillation and paroxysmal supraventricular tachycardia. Circulation. 1994;89(1):224–227.
  8. Ziegler PD, Koehler JL, Mehra R. Comparison of continuous versus intermittent monitoring of atrial arrhythmias. Heart Rhythm. 2006;3(12):1445–1452. 
  9. Patel D, Rao A, Friedman PA, et al. New atrial arrhythmia occurrence in single-chamber implantable cardioverter defibrillator patients: A real-world investigation. J Cardiovasc Electrophysiol. 2023;34(2):438–444.