What is ultrasound used for in detection?

Ultrasound is used for detecting and imaging internal body structures, monitoring pregnancies, and diagnosing medical conditions.

Ultrasound technology utilises high-frequency sound waves that are beyond the range of human hearing. When these sound waves are directed into the body, they bounce off tissues, organs, and other structures. The reflected waves are then captured and analysed by a computer to create detailed images, known as sonograms or ultrasounds. This non-invasive method is particularly useful in medical diagnostics because it does not involve ionising radiation, making it safer for patients, including pregnant women.

One of the most common uses of ultrasound is in obstetrics, where it helps monitor the development of a foetus during pregnancy. It allows doctors to check the baby's growth, detect any abnormalities, and determine the due date. Additionally, ultrasound can be used to examine the placenta and amniotic fluid, ensuring both mother and baby are healthy.

Beyond pregnancy, ultrasound is also employed to investigate various organs and tissues within the body. For instance, it can be used to examine the heart (echocardiography), liver, kidneys, and gallbladder. It helps in diagnosing conditions such as gallstones, liver disease, and heart problems. In some cases, ultrasound can guide procedures like needle biopsies, where a sample of tissue is taken for further analysis.

Ultrasound is also valuable in detecting and monitoring conditions like tumours, cysts, and infections. It can help identify the size, shape, and location of these abnormalities, aiding in the planning of appropriate treatments. Moreover, Doppler ultrasound, a specialised form, measures the flow of blood through vessels, helping diagnose issues like blood clots and poor circulation.

Overall, ultrasound is a versatile and essential tool in modern medicine, providing critical information that helps in the diagnosis and treatment of various health conditions.