Diagnostic Imaging Blog

The latest news from the desk of our radiologists rss


Preparing for an X-ray

Preparing for an X-ray

by Yenny (SU)
An X-ray is a quick test that produces images of the compositional structures inside our body. It is often used to check for problems such as pneumonia or broken bones. The good news is that if you need an X-ray, there is usually almost nothing you need to do to prepare for it. X-ray beams pass through your body painlessly, and are then absorbed in different amounts, depending on the density of the material they pass through. For example, because bones are denser than fat, bones show up white, while fat will appear as gray on the X-ray film.

Are radioactive isotopes safe?

Are radioactive isotopes safe?

by Yenny (SU)
When you hear the word “radioactive isotopes,” it might conjure images of people in protective suits carrying around a glowing orb in metal tong-like tool. To find out if radioactive isotopes are safe or not, let’s break down what they are first. Radioactive isotopes are basically unstable chemical elements that release energy in the form of gamma, alpha, and beta rays. Basically, radioactive isotopes are like tiny packets of energy moving in waves through a material or space itself. Certain types of radiative isotopes can be safely used to destroy tumorous cancers, or create detailed real-time images of the inner workings of the body.

The Science Behind Ultrasound

The Science Behind Ultrasound

by Yenny (SU)
Modern ultrasound machines help doctors to diagnose and treat a wide range of conditions, injuries, and disorders. And while ultrasounds are on the leading edge of medicine today, the science behind them first came to light in 1794. That’s when an Italian biologist by the name of Lazzaro Spallanzani discovered that bats use soundwaves to help them navigate, even in total darkness. The original ultrasound systems were actually invented so that inspectors could detect industrial mistakes or flaws in the metal of transport ships. It was later adapted to provide crude images in Glasgow hospitals in the 1950’s. And the rest, as they say is, history.

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