athlete s heart i ve read that exercise makes the heart pump more blood at a stroke and that it also makes the heart pumb slower in order to make up for the greater volume my internist who diagnosed my av block slow heart rate and pvc s told me something different she says that heart rate is associated with the electrical properties of the hear muscle not its size exercise lowers heart rate and increases stroke volume but the effects are unrelated except for their common source the av block she asserts is another electrical effect which is irreversable even when exercise is dicontinued pvc s are also common in runners so my ekg puts me in a class with trained athletes and also with heart patients isn t that strange though are there any not so beneficial aspects to athlete s heart is it all good not worried just curious larry c
