How Does an Ace Inhibitor Lower Blood Pressure?
Blood pressure is the amount of tension in the veins and arteries as the heart pumps. Normal blood pressure is between 110/70 and 120/80. The higher number is the systolic reading, or the pressure in the vessels when the heart contracts. The lower number is the diastolic reading, or the pressure in the vessels when the heart relaxes. With high blood pressure, or hypertension, the pressure in the vessels is greater than 140/90. There are factors that cause hypertension and two common factors are blood vessel diameter and fluid volume.