In Part 1 of this post, I discussed what diagnostic imaging is and what it does – a test that provides a doctor with a window into the body so we can diagnose and gather information about a person’s health and recommend the right treatment.
I also discussed three of the most common types of diagnostic imaging ordered by doctors – x-ray, computed tomography (CT), and magnetic resonance imaging (MRI). Here are three more tests that doctors use to pinpoint the cause of our health issues.
While x-rays, CT scans and MRI use electromagnetic and radio waves to create images of the inside of the body, diagnostic ultrasound uses high-frequency sound waves. Also called sonography, ultrasound exams typically use a sonar device outside of the body, although some require a device to be place inside the body.
Most of us associate ultrasound with pregnancy. It enables doctors to see a pregnant woman’s uterus and ovaries and monitor the health and growth of the baby. However, diagnostic ultrasound can also be used to diagnose gallbladder disease and some forms of cancer, discover irregularities in the genitals and prostate, evaluate a lump in the breast, or assess blood flow. Continue reading