While these events are occurring on the left side of the heart, similar changes are occurring on the right, involving the right atrium, right ven-ricle, tricuspid valve, pulmonic valve, and pulmonary artery. Right ven-icular and pulmonary arterial pressures are significantly lower than cor-esponding pressures on the left side. Furthermore, right-sided events ^usually occur slightly later than those on the left. Instead of a single heart sound, you may hear two discernible components, the first from left-sided
S2 OS S3
Was this article helpful?
Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...