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Ultrasound (medical sonography), developed in 1952, to evaluate fetuses and monitor pregnancies, uses sound waves to create an image.


Ultrasound imaging, also called ultrasound scanning or sonography, is a noninvasive medical test that helps physicians diagnose and treat medical conditions. It is now used to examine every organ of the body, including the heart (an echocardiogram).

The procedure involves exposing part of the body to high-frequency sound waves to produce pictures of the inside of the body.  A wand like device called a transducer is moved around the skin over the area to be examined.


Ultrasound produces clear images of soft tissues and fluid filled organs (such as the ovaries) but is less useful for examining organs filled with gas or air (such as the lungs). Also, ultrasound waves do not penetrate bone. The ultrasound images are displayed on a computer screen, and is often used to guide the positioning of a needle during a biopsy (removal of a small piece of tissue for microscopic examination).

  • Obstetric Ultrasound
  • Sonohysterography
  • Abdominal Ultrasound  
  • Abdominal (pediatric) Ultrasound
  • Breast, Ultrasound of the
  • Carotid Ultrasound
  • General Ultrasound
  • Musculoskeletal Ultrasound
  • Pelvic Ultrasound
  • Prostate, Ultrasound of the
  • Scrotum, Ultrasound of the
  • Thyroid, Ultrasound of the
  • Vascular Ultrasound
  • Venous (extremities) Ultrasound
  • Doppler Ultrasound

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