Ultrasonography

What is ultrasonography or ultrasound?

Ultrasonography is a non -invasive imaging technique that helps doctors diagnose and treat medical conditions. It is safe and painless procedure, and uses sound waves to produce pictures of the inside of the body. It involves the use of a small probe (transducer) and ultrasound gel which is placed directly on the skin. The probe transmits high-frequency sound waves through the gel into the body. It then collects the sounds that are bounced back and a computer uses those sound waves to create an image. Ultrasound test do not use radiations (as used in x-rays), therefore there is no radiation exposure to the patient.

Why do I need an Ultrasound test?

Your doctor may advice an ultrasound test if you are having pain, swelling, or any other symptom that needs an internal view of your organs. Through ultrasound doctor can view following organs:

  • uterus
  • bladder
  • gallbladder
  • kidneys
  • liver
  • ovaries
  • pancreas
  • spleen
  • thyroid
  • testicles
  • blood vessels

An ultrasound is also a helpful in guiding surgeons during certain medical procedures, such as biopsies.

How do I prepare for an ultrasound?
The preparation for an ultrasound depends on the area or organ that is being examined. For an examination of abdominal organs like gallbladder, liver, pancreas, or spleen, you may be asked to eat a light meal the night before and then to fast until the procedure. However, you may continue to drink water and take medications if instructed. For examination of other parts, you may have to drink a lot of water and hold your urine so that your bladder is full. It is important to follow your doctor’s instructions and ask any doubts you have before the procedure.
What happens during an ultrasound?
You will be asked to lie down on a table with a section of your body exposed for the procedure. A radiologist or a sonographer applies a lubricating jelly on your skin. This prevents friction and helps in moving the probe smoothly on your skin. The jelly also helps in transmitting the sound waves. The doctor views the images of your internal organs on a monitor. Depending on the organ you may be asked to change positions so that the doctor can have a better view. After the procedure, the gel is cleaned off. The whole procedure usually lasts for 20 to 30 minutes. You can use the washroom after the procedure and carry on with your daily routine.
Who interprets the result of an ultrasound?

First, a radiologist analyses the images and sends a report to the doctor who advised for the test. Usually, the referring doctor shares the results with you.

If you or your family member has been advised Ultrasound exam, you can call and book an appointment at Whitefield, Malleswaram, Kadugodi or Bellandur braches of RxDx Multispeciality Healthcare Center, Bengaluru.

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