Is a heart rate of 50 to 60 dangerous after a stent procedure for myocardial infarction?

A heart rate of 50 to 60 beats per minute after a myocardial infarction stent placement may be risky. Normally, the heart rate should range between 60 and 100 beats per minute following stent surgery.

Cardiac stents, also known as coronary artery stents, are used to open blocked arteries and are commonly employed in treating conditions such as coronary heart disease, acute myocardial infarction, unstable angina, and exertional angina. After stent placement, a patient's heart rate may be affected to varying degrees. An excessively high heart rate following the procedure may increase myocardial oxygen consumption, potentially leading to myocardial ischemia. Conversely, a slow heart rate may trigger complications and raise the risk of cardiac arrest. Both abnormally fast and slow heart rates are detrimental to heart health. It is generally recommended to maintain the heart rate between 60 and 70 beats per minute. For some patients with more severe conditions, achieving this target may not be possible; however, as long as the heart rate remains within the 60–100 beats per minute range, it is generally considered acceptable.

After stent placement, patients with myocardial infarction must not discontinue medications arbitrarily. They should adopt a healthy lifestyle and avoid consuming foods high in fat and salt.