What is a transvaginal ultrasound?

Wondering how and when to do a transvaginal ultrasound for pregnant women? A blog about how and when you can use ultrasound.

What is a CT Scan?

Computed Tomography is a method of imaging used in the medical field to see internal or external objects in their “integrated” form. CT scans are primarily indicated for areas where a clear image is needed, such as the chest, head, neck, pelvis and abdomen. In contrast, ultrasound uses a high-frequency sound wave and provides an image based on echoes that return from organs and structures inside the body. A CT scan is an imaging technology used to examine a patient’s structures. They are often used to test the function of the organs, such as the brain or heart. The patient is put on a circular scanning container and it uses x-ray radiation and computer processing technologies in order to create 360-degree images of the inside of their body. It provides information about organs and soft tissues.

What is an Ultrasound?

An ultrasound is a test that monitors bodily function. Typically, it is used to create images of the heart, lungs, abdomen and othr internal ear structures. It can produce cross-sectional transversal views and shows the motion of moving structures in 3 dimensions. A CT scan uses x-rays at a high frequency and low energy needed to image accurately small structures and body cavities as well as more clearly evaluate abnormalities of inner organs An Ultrasound is a diagnostic medical imaging technique consisting of focusing and cropping using sound waves to produce both audible and visual images of heart, lung, gastrointestinal, and skeletal muscle structures.

If you need an Ultrasound in Noida, the Dr Ashish Arora Ultrasound & Imaging Centre is a leading provider of diagnostic imaging services. They offer a variety of services including breast imaging, cardiac imaging, MRI, CT scan and more.

Analysis of the Differences

N/A CT scan is a radiological exam that produces 3D graphics of structures like bones and organs. CT scanner uses X-rays of different wavelengths to find the different types of tissue in the body. Then create detailed cross sections for each area. 

An ultrasound, on the other hand, makes use of washing sound waves. Which come from friction between two surfaces to generate reflected images. CT scans generally use two or more X-rays to create a basic image of the body, and then are taken from multiple angles. Ultrasounds, on the other hand, use tiny energy waves to create an image – which are weaker than the type needed for a CT scan. 

Which Tool is Better for you?

These technologies have been used in different ways to give patients insight into organs and conditions. Which can help in the diagnosis process. CT scans are typically more advanced than ultrasound because they provide a better opportunity for detail. However, ultrasound may offer suggestions when CT scans produce inconclusive images. 

CT scan and ultrasound both allow for doctors to see inside the body to check blood flow, organs, and structures. CT Scans use X-rays and ultrasounds use sound waves. The main difference is that CT Scan images a cross-section of tissue whereas ultrasound can only be use on areas close to the skin or within a 1 inch from it.


CT scans are unlikely to provide revealing images of the inside of your body and can cause some health issues. Ultrasound is indicate when a patient’s condition or history changes the need for a CT scan. Such as pregnancy, the elderly or malignancy. MRI and X-ray images provide “contrasting data points” to the true picture. CT scans work best when it comes to imaging soft tissue, such as organs. In the body due to the differences between soft tissue vs. harder tissues like bone. Ultrasound only provides a picture of the embryo from outside of the womb, so it is not use for checking for major medical concerns like tumours.

Dr Ashish Arora Ultrasound in Noida Sector 18 provides services to patients in the areas of ultrasound diagnosis and treatment. The qualified team provide excellent ultrasound diagnosis for breast cancer, lymphoma, thyroid disease, diabetic retinopathy, liver disorders and other diseases.

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