Subcutaneous Implantable Defibrillator

Who Should You Be Screening for an S-ICD?

Discover the Clinical Advantages When Choosing S-ICD

S-ICDs are appropriate for a wide range of indicated patients. Based on the patient characterization in the Poole and Gold editorial article, the S-ICD System is preferred for those who have1:

  • No venous access
  • High risk of complications for TV-ICD
  • High risk of infections
  • Channelopathies (LQT, Brugada, HCM)
  • History of endocarditis

Based on the Poole and Gold Editorial Article:

S-ICD System is the preferred device1
  • No venous access (occluded or congenital)
  • High risk of complications for TV-ICD (dialysis, pediatric immunocompromised)
  • Channelopathies (LQT, Brugada, HCM)
  • Previous device infections or lead failures
  • H/O endocarditis
S-ICD System should be strongly considered1
  • Young patients
  • Life expectancy > 10 yr
  • Primary prevention with ischemic/non-ischemic heart failure
  • Prosthetic valves
  • Women (preferred generator placement)
  • Selected secondary prevention (survivors of out of hospital VF, no evidence of MVT)
S-ICD System should be avoided1
  • Systolic HF and LBBB --> CRT
  • Symptomatic bradycardia requiring pacing
  • Recurrent sustained MVT for whom ATP is deemed appropriate

Hear Dr. Steven Kutalek share his experiences when choosing patients for the S-ICD

How Should You Screen Your S-ICD Patients?

EMBLEM S-ICD Automated Screening Tool

Automated Screening Tool applies the Vector Select algorithm that is used by the S-ICD to sense the cardiac signal, and is designed to more closely represent S-ICD device performance.2 *

Learn How to Screen Your Patients

Automated Selection Tool
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*The AST is an alternative to the Model 4744 Patient Screening Tool. The two screening tools serve the same purpose, and may be used independently or together.


  1. Weiss, et al. The safety and efficacy of a totally subcutaneous implantable defibrillator. Circulation 2013 
  2. Data on file at Boston Scientific, System Algorithm Validation Report 1132474