Receptor blockers such drugs, such as bisoprolol and metoprolol, mainly achieve antihypertensive and cardiac protection effects by slowing down heart rate and reducing myocardial oxygen consumption. They are more suitable for young and middle-aged patients with fast heart rate, and are more suitable for patients with coronary heart disease, angina pectoris, myocardial infarction and chronic heart failure. Commonly used drugs Long-acting drugs: Bisoprolol and metoprolol sustained-release tablets, usually once per day. Medium and short-acting drugs: metoprolol ordinary tablets, carvedilol, aroprolol, atenolol, etc. Adverse reaction Common adverse reactions mainly include fatigue, cold limbs, bradycardia, etc. It should be noted that if bradycardia occurs during taking the medicine and the medicine cannot be stopped suddenly, the heart rate will obviously increase (rebound Read More …