people with modern pacemakers seem pretty active and independent. a blood pressure cuff that runs on batteries wouldn't be an issue and neither would swimming the pacemaker is completely enclosed and doesn't touch the outside. i knew someone who had a pacemaker other than having a heart shaped lump on his chest he led a very normal life. here's an article all about pacemakers: <link>
what kind of things can you do when you have a pacemaker? . example go swimming or using a blood pressure cuff that runs on batteries? what kind of exercising can you do?