Evaluation of heart failure symptoms for device therapy.

  title={Evaluation of heart failure symptoms for device therapy.},
  author={Maya Guglin and S Serge Barold},
  journal={Pacing and clinical electrophysiology : PACE},
  volume={35 9},
Virtually all the research protocols and guidelines for device therapy are based on the presence of symptomatic heart failure (HF), left ventricular ejection fraction (LVEF), and QRS duration. Barring LVEF and QRS duration, the degree of symptomatic HF is often determined without regard to the limitations or pitfalls related to this assessment. Thus… CONTINUE READING