Medical Imaging Types and Modalities

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Medical imaging remains one of the best ways to diagnose patients, as it allows us to see what’s going on inside the body without the need for surgery or other invasive procedures. Common imaging types include CT (computer tomography), MRI (magnetic resonance imaging, ultrasound and X-ray.

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In an ideal world, we’d be able to diagnose and treat patients without any harmful side effects. Medical imaging remains one of the best ways to achieve this, as it allows us to see what’s going on inside the body without the need for surgery or other invasive procedures. Indeed, it’s something we’re perhaps guilty of taking for granted at times. Medical imaging can be used for both diagnosis and therapeutic purposes, making it one of the most powerful resources available to effectively care for our patients.


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Meet the educators

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Zoe Hughes
Zoe is a copywriter and blogger from the UK. Once working as an Operating Department Practitioner in a busy Orthopaedic theatre suite specialising in regional anaesthetic techniques, she now writes for the health industry due to disability. Using the education and skills learned as a nurse, along with the experience of being disabled – Zoe is passionate about helping health professionals communicate better with their patients via social media, blogs and websites. In her spare time, Zoe is a governor at her local primary school, and is writing a play about invisible illness.
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Editorial Team
Ausmed’s editorial team is committed to providing high-quality, well-researched and reputable education to our users, free of any commercial bias or conflict of interest. All education produced by Ausmed is developed in consultation with healthcare professionals and undergoes a rigorous review process to ensure the relevancy of all healthcare information and updates to changes in practice. If you have identified an issue with the education offered by Ausmed or wish to submit feedback to Ausmed's editorial team, please email with your concerns.
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What do others think?

736 reviews by Ausmed Learners
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Bina Baniya
23 Apr 2021
Mary MacGregor
20 Apr 2021
Helpful. I now better understand how different types of imaging works.
David Tunnard
02 Nov 2021
A brief and succinct overview of medical imaging.
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Ruth Medrano
24 Apr 2021
The topic is very relevant and will make informed choices and educating client as it will be easy to impart to clients when the procedures and modalities are in imaging is understood . Presented very well .
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Amanda Cole
18 May 2021
Easy to read, relevant and a great resource.
Sarbjit kaur
13 May 2021
Katie Stone
11 Nov 2022
Very good, I enjoyed this as a quick and easy to understand guide to different imaging devices.
Jane Stedman
06 Feb 2021
Really interesting and concise information regarding the common types of medical imaging
Narelle Winzar
19 Apr 2021
Olivia Aloisio
07 Jul 2021
Great article. Very informative. Images of the different machines was helpful to see what each looked like. Perhaps an image of the image taken from each machine would be even more educational so we could see the difference.
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