Millions of American adults have cholesterol levels higher than the recommended range. Managing your cholesterol is critical to good health. Learn the difference between good and bad cholesterol, and how exercise and diet make a difference.
This video will give viewers a general understanding that an ECG uses electric sensors to study the electrical activity of the heart, and what to expect before, during, and after the test.
This video will give viewers a general understanding that an echocardiogram uses sound waves to create pictures of the structure and function of the heart, and show them what to expect before, during, and after the test.
