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Common Types of Diagnostic Imaging and Their Uses

With the advancements on technology through the years, plenty of machines have been invented and developed helping people to do more than the usual. In the field of medicine, diagnostic imaging is one of the procedures that help doctors know more about the illness of the patient and provide better treatment.

Diagnostic imaging is a non-invasive procedure that allows the doctors to see the internal structures of the body such as the organs, bones, muscles, and more. Having a picture of what’s going on inside the body allows the doctor to make precise diagnosis without missing out any condition.

There are plenty of diagnostic imaging procedures that are used by doctors to know the condition of their patient. Some may even require their patients to undergo multiple procedures especially on complicated situations. To make it more convenient to patients, some clinics offer bulk billing available to make medical imaging procedures more accessible and easy to pay.

Here are the common medical diagnostic imaging procedures usually recommended by doctors to their patients.


The X-ray is one of the most commonly used diagnostic imaging techniques by doctors. It works by transmitting a concentrated electron beam through the body part being analysed. As these electrons pass through the body, the hard and dense structures such as the bones are being captured. The image is then printed onto a film to be studied by the physicians to make a full diagnosis of a patient’s illness.

An X-ray scan is often used to diagnose problems related to the bones such as fractures or cracks. This procedure is non-invasive, painless and there is not much preparation needed to be done prior to the scan. However, the patient will be asked to change into a patient gown and remove all metal objects in his body to avoid interfering with the scan.

CT Scan

Computerized tomography or CT scan is another common medical imaging procedure that helps physicians in their diagnosis. Similar to the X-ray, it also creates pictures of the internal body structures that need to be studied. However, it provides a 2-D image unlike an X-ray which only gives out a flat picture.

CT scans are commonly used to check the conditions of internal organs to see if there are inflammations, injuries, and any other signs of disease. It also helps detect tumours early on to provide treatment immediately. There are some preparations a patient might need to do prior to a scan but it all depend on the type of scan and the doctor’s recommendations.


The ultrasound differs greatly from X-ray and CT scan since it uses high frequency sound waves instead of ionizing radiation to create an image. Aside from checking internal organs, the ultrasound is commonly used during pregnancy to monitor the growth and development of the foetus inside the womb. It also helps the doctor determine pregnancy issues early on to provide an intervention and avoid complications later on.

Medical diagnostic imaging is really a useful tool that helps doctor see the internal condition of a patient’s body in a painless and non-invasive way.

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