Nowadays, more heart patients are being fitted with a pacemaker. The reasons for this are that pacemaker implantation techniques have become easier, pacemakers are smaller and more powerful, and most importantly, many patients benefit from different batteries (shock devices, batteries used in the treatment of heart failure) except for cases where classical batteries are required. No matter why it is inserted, it basically consists of a pacemaker, electronic circuits and a metal structure formed by the battery, and cables called electrodes that connect this structure to the heart. There are some points that patients who carry a metal structure consisting of electronic circuits should pay attention to. First of all, it should be emphasized that pacemakers do not interact intensively with the magnetic structures in the environment and there is no need for people to protect themselves too much. It is useful to know that electromagnetic devices such as shopping malls or airport security gates, daily household appliances, and mobile phones can be used safely. Especially new batteries are quite safe in this respect. It is only useful to remind some basic points. Passing through security gates is largely harmless to the battery. However, especially in patients who are completely battery dependent, standing in the middle of the security door is not recommended as it may suppress the battery function, even if it is very unlikely. Carrying or talking on a mobile phone is possible in patients with battery-powered devices. The point to be considered here is to carry the mobile phone preferably away from the battery and to use the other side while talking, not the side where the battery is. Electromagnetic fields that patients should avoid are strong magnetic fields such as transformers, dynamos, and large speaker magnets. However, being completely inside or within centimeters of these areas can affect the battery. If the patient requires a surgical intervention, the doctor who will perform the intervention must be aware of the battery. The only thing battery patients should stay away from is MRI (Magnetic Resonance) imaging. The very strong electromagnetic field generated during MRI may disrupt battery functions and cause unwanted, tissue-damaging heating of the battery and cables. For this reason, patients carrying batteries or battery-type devices cannot enter the MRI. An important development in recent years has been the emergence of MRI compatible batteries. In some patients, especially other health problems If MR imaging is required due to medical procedures, batteries suitable for MR imaging up to 1.5 Tesla have been produced. These batteries can be used under special conditions.
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