求翻译：我已经安装了心脏起博器，请不要用仪器对我的身体进行磁场扫描。非常感谢。这是我的起博器植入卡。是什么意思？

I have installed the pacemaker of the heart, please do not use the instrument and magnetic field scan on my body. Thank you so much. This is my card of pacemaker implantation.