Przypadek 81-letniej pacjentki z zespołem tachykardia–bradykardia po obustronnej mastektomii z infekcją loży stymulatora w wywiadzie

The case report presents a history of an 81-year-old woman with paroxysmal atrial fibrillation, treated with apixaban at a reduced dose, who has a DDD pacemaker implanted in March 2018 due to tachycardia-bradycardia syndrome. In the interview were left-hand mastectomy in 2012 and right-hand mastectomy in October 2022 caused by breast cancer. In November 2022 the patient was admitted to the Department of Cardiology to stimulate system removal because of a pacemaker pocket infection. Then, according to the interview of sick sinus syndrome, the electrocardiogram Holter monitoring was made and due to its results the patient was qualified for repeated electrotherapy. Considering the general clinical view it was decided to implant the leadless MICRA pacemaker.