No worsening HF seen with Riata-like failure of St Jude QuickSite, QuickFlex ... TheHeart.Org On the other hand, patients with and without the externalizations had about the same average LV ejection fraction, 24%, and similar likelihood of being in NYHA class 3 heart failure. The failed QuickSite and QuickFlex leads, therefore, didn't seem to ... |
