Receptor blockers are commonly used cardiovascular drugs, which are widely used in patients with hypertension, coronary heart disease and heart failure. These drugs are often called [XX prolol], such as propranolol, metoprolol, bisoprolol, aroprolol, carvedilol, etc. Why can receptor blockers lower blood pressure? This starts with the receptor. There are three types of adrenergic receptors: 1 Receptors are mainly distributed in myocardium, which can excite and cause increased heart rate and myocardial contractility. Receptors exist in bronchus and vascular smooth muscle, which can excite and cause bronchiectasis, vascular relaxation, visceral smooth muscle relaxation, etc. 3 receptors mainly exist in adipocytes and can stimulate and cause lipodecomposition. Receptor blockers commonly used clinically, according to the characteristics of drugs, can block the Read More …