Ultrasound Scan: A Safe and Trusted Way to See Inside the Body

An ultrasound test is a safe and widely used imaging method that helps doctors view internal organs and blood vessels in real time. It is a highly safe procedure which makes it an invaluable diagnostic tool. Ultrasound plays a particularly vital role in monitoring the healthy development of a baby during pregnancy, offering clinicians and families reassurance at every stage. Ultrasound is also commonly used to examine the heart, abdominal and pelvic organs, muscles, tendons, and blood vessels.

How it works

The ultrasound machine uses high-frequency sound waves and directs them inside the internal body structures. The reflected sound helps create an image that shows the body’s internal organs in movement. The sound waves are transmitted and received using a device called a transducer (a handheld probe).

The procedure is non-invasive and usually painless. A gel is applied to the skin to help the transducer move smoothly and improve image clarity. The device is then moved over the area being examined. The images produced as a result of transducer movement are created on a monitor that is interpreted by a trained doctor or sonographer. Discomfort may only occur if the area being scanned is already tender.

The process is usually painless unless the area being examined is tender. The use of sophisticated technology ensures that the image quality, data acquisition, and analysis are of the highest standard.

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There are two main types of ultrasound:

• Diagnostic ultrasound: This is the most common type that helps evaluate organs such as the thyroid, brain, heart, blood vessels, breast, the eyes, skin and muscles. It is available in 2D, 3D or 4D formats and is particularly useful for evaluating soft tissues and fluid-filled structures such as the lungs and the lining around the lungs in specific medical conditions.
• Therapeutic ultrasound: It uses sound waves to treat certain medical conditions rather than creating images. It is often used to promote tissue healing, improve blood circulation and deliver medication to targeted areas. It also aids in destroying abnormal tissue such as tumours – often without the need for surgical incisions. It may be suggested in conditions such as carpal tunnel syndrome, tendonitis, ligament injuries, joint tightness, and shoulder pain, including frozen shoulder. It can also provide heating to soft tissues to support healing and relieve pain.

Ultrasound scan typically takes around 45 minutes to complete, although in some cases it might take longer. At the start of the scan, a gel is applied to the skin to prevent the formation of air pockets. A handheld device, called a transducer, is then used to send sound waves to the body. The transducer is moved across the body and in turn receives returning echoes, which are converted into electrical signals. These signals are converted into images which can be viewed on a screen.

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Disclaimer: This information is for general awareness only and should not be considered as professional medical advice. Always consult a qualified healthcare provider for personalised guidance.