Pacing threshold varies during the 24 hours in children (Fig. 2). This variability is low, not exceeding 0.2 V (0.03 ± 0.01 V), so it is unlikely to affect pacemaker programming. There were no ...

One critical component of customizing fitness and training is having a solid gauge of fitness and its progress over a season and year-to-year. Outside of laboratory-based tests, a standardized field ...

Time trials are all about “leaving everything on the road.” You want to pace yourself so that you hit the finish line with nothing left in the gas tank. Many strategies for achieving this have been ...

Thirty-one consecutive patients (18 boys, 61%) who underwent the implantation of a Medtronic Kappa 901 pacemaker were enrolled. Mean age was 7.5 ± 6.2 years (median 6.5, range 1 day to 24 years).