What is the difference between doppler and ultrasound

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This content does not have an Arabic version. See more conditions. After x-ray exams , ultrasound is the most commonly used form of diagnostic imaging. It helps doctors gain insights into the inner workings of the body, and is known for being:. A sonogram also called an ultrasonogram is the visual image produced during an ultrasound examination. A medical sonographer — often referred to as an ultrasound tech — is the person trained to use ultrasound diagnostic imaging technology sonography.

Ultrasounds use high-frequency sound waves that are beamed into the body and bounce back echo off tissue and organs. These echoes generate electrical signals that are translated by a computer to produce images of the tissues and organs. Most ultrasounds are done using a transducer on the surface of the skin. Probably best known for confirming and monitoring pregnancy , ultrasound is also commonly used by doctors for:.

Doctors use ultrasound imaging to help diagnose conditions affecting the organs and soft tissues of the body, including:. There are some diagnostic limitations for ultrasounds.

For example, sound waves do not transmit well through areas that might hold gas or air such as intestines , or areas blocked by dense bone. When a doctor needs to remove tissue from a very precise area in the body — such as in a needle biopsy — ultrasound imaging can help with visual direction.

Although often used interchangeably, ultrasound is the procedure of using sound waves to create images from inside the body. Sonogram is the image produced by an ultrasound examination. Ultrasound is considered a safe and affordable imaging technology to help a doctor make a diagnosis regarding soft tissue and organs in the body. Learn more. A Doppler ultrasound exam measures blood flow through your arteries and veins.

Find information on what to expect during the test and what the results…. Medically reviewed by Cameron White, M.

Overview Uses When are they used? Share on Pinterest A doctor can use a Doppler ultrasound to check blood flow.

What is it used for? Why does a person need one? Share on Pinterest A person may need a Doppler ultrasound if they have symptoms of a heart condition. How to prepare. Share on Pinterest A doctor will go over the results of a Doppler ultrasound. Exposure to air pollutants may amplify risk for depression in healthy individuals.

Costs associated with obesity may account for 3. Related Coverage. What can we see with an abdominal ultrasound? Medically reviewed by Saurabh Sethi, M.

What to know about transvaginal ultrasounds. What happens during a testicular ultrasound? Medically reviewed by Judith Marcin, M. What to know about deep vein thrombosis.