title: Sympathetic nerve activity during VVI and DDD pacing.
authors: S K
authors: SK
authors: Pehrsson
authors: P
authors: P
authors: Hjemdahl
authors: R
authors: R
authors: Nordlander
authors: H
authors: H
authors: Aström
mesh_terms: D002304:Cardiac Pacing, Artificial / Q000379:methods*; D006801:Humans; D010138:Pacemaker, Artificial; D013564:Sympathetic Nervous System / Q000502:physiology*