The effects of closed loop stimulation (CLS) on functional capacity in patients with heart failure with reduced ejection fraction (HFrEF) and chronotropic incompetence (CI) implanted with cardiac resynchronization therapy (CRT)… Click to show full abstract
The effects of closed loop stimulation (CLS) on functional capacity in patients with heart failure with reduced ejection fraction (HFrEF) and chronotropic incompetence (CI) implanted with cardiac resynchronization therapy (CRT) is unknown. A randomized, blinded, cross-over designed trial enrolled
               
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