Whilst an appointment is not always essential, we highly recommend pre-booking an appointment so that we do not keep you waiting. Some x-ray procedures take up to 30 minutes and it is essential to have an appointment for such procedures, eg. chiropractic spinal series.

GENERAL X-RAY  

Our three highly trained Radiographers have nearly 60 years’ experience between them. The Radiographers will check your details and relevant medical history with you prior to taking your x-ray. Any additional information you can give them may aid our Radiologist in making your diagnosis.

The Radiographer will instruct you on how to position yourself for each x-ray. It is important to stay completely still once they have positioned you as any movement will distort the image.

Once all images have been performed, the Radiographer will print you off a set of digitally created films. This is the only set of films produced and they are yours to keep and take back to your Referring Doctor/Allied Health Professional.

If you return for more x-rays of the same body area, please bring your previous x-rays with you so that our Radiologist can compare any changes over time.

If you lose your films it is not possible to reprint the images so please take care of them.

DENTAL X-RAY

Orthopantomography (OPG) and Lateral Cephalometry

The patient bites on a plastic spatula so that all the teeth, especially the crowns, can be viewed individually. The whole OPG process takes about one minute. The patient’s actual radiation exposure time varies between 8 and 22 seconds for the machine’s excursion around the skull.

(image courtesy of Planmeca)

Below is an OPG image showing the lower wisdom teeth un-erupted and the upper wisdom teeth partially erupted.

Below is an OPG image showing the mixed primary and secondary dentition of a 9 year old child.

More About X-rays – What is an X-ray

Radiography is the imaging of body structures using X-rays, which are a form of radiation similar to visible light and microwaves. X-radiation is special because it has a very high energy level that allows the X-ray beam to penetrate through the body and create a picture. The picture is created because the X-ray beam is absorbed differently by different parts of the body. Bone is dense and so absorbs a high percentage of the X-ray beam, and appears light grey on the image. Lower density structures like soft tissues absorb a small percentage of the X-ray, and this appears dark grey on the image. The body has many different structures of varying densities and the differences create the picture.

How do I prepare for an X-ray?

For a plain X-ray there are no specific preparation instructions but there are some important things you need to do:

  • Remember to arrive at the X-ray department with the X-ray request form or referral letter from your doctor. This is a legal requirement and no X-ray examination can be performed without it.
  • Please inform your own doctor or the radiographer who is performing the X-ray if there is any chance you may be pregnant. This is important as a different approach may be needed or a different test may be required altogether. Safety of the patient and unborn child is the number one priority.
  • Be prepared to wear a disposable hospital gown. This ensures the X-ray is of the highest quality as some clothing can make it difficult to see the images clearly. Be prepared to remove certain items like watches, jewellery and clothing that contains metal objects such as zips, as these may interfere with the quality of the image.

What happens during an X-ray?

The following are the steps involved in a typical plain radiography/X-ray:

  1. A radiographer (a trained X-ray technologist) will call your name and escort you through to an X-ray examination room.
  1. They will explain the procedure and prepare you accordingly (as above).
  1. Depending on the part of your body being examined the following will vary:
    • Your position (e.g. standing, sitting or lying)
    • The number of X-rays taken
    • The speed of the test
  1. It is important that you stay completely still when the radiographer instructs you to, as any movement may create a blurred image.
  1. After the X-rays have been performed, the radiographer has to process each X-ray and check the results for quality. This can sometimes take several minutes.
  1. Sometimes there will be a need for additional images to be taken to obtain more information to help the radiologist make a diagnosis. There is no need for concern if this happens as it is quite common. In most cases the extra X-rays are performed to obtain a better view of your anatomy or body structure, not because there is a problem.
  1. The radiographer will instruct you when the procedure is finished. You may wish to ask them when the results will be available.
  1. A radiologist (specialist X-ray doctor) then carefully assesses the images, makes a diagnosis and produces a written report on the findings. This report is sent to the referring doctor, specialist or allied health professional that referred you for the test.
  1. At any stage you are welcome to ask questions about the process if you have any concerns. The entire process is straightforward and you will not feel anything strange or feel any different during the examination.

How long does an X-ray take?

It usually takes less than 15 minutes for an entire X-ray procedure. This depends on the number of parts of your body being examined and your ability to move about, and your general health. In most cases, the area being examined needs to be viewed from different directions to obtain enough information to make the diagnosis and this may require you to move into different positions. For example, a simple chest X-ray on an able and willing patient could take less than 1 minute.

People with disabilities, and children will also take longer, particularly if they find it difficult to keep still or to cooperate with or understand instructions given by the radiographer who performs the X-ray examination.

What are the risks of X-rays?

Generally, the benefit of the X-ray procedure is far more important than the small estimated risk. At the radiation dose levels that are used in diagnostic radiography there is little or no evidence of health effects.

There are two major risks to health that occur as a result of exposure to medical ionizing radiation (which is the kind of radiation in X-rays). These are:

  • Cancer occurring many years after the radiation exposure; and
  • Health problems in the children born to people exposed to radiation because of damage to the reproductive cells in the body.

Medical research has as yet been unable to establish conclusively that there are significant effects for patients exposed to ionizing radiation at the doses used in diagnostic imaging. In addition, the dose of radiation that you receive from plain X-rays is very much lower than for other types of radiology procedures such as Computed Tomography (CT) scanning or angiography (X-ray examination of the blood vessels).

What are the benefits of X-rays?

The benefits of X-rays are:

  • They are useful to diagnose disease and injury including pneumonia, heart failure, fractures, arthritis, cancer, and collapsed lung, etc.
  • They are fast and easy and so particularly useful in emergency diagnosis and treatment.
  • X-ray equipment is relatively inexpensive and widely available in hospitals and X-ray clinics, making it convenient for both patients and doctors, even in remote locations.

Who does the X-rays?

A radiographer or medical imaging technologist is a health professional who performs diagnostic radiography.

A radiologist is a specialist medical doctor who reviews and interprets the images and provides a written report of the test to your referring doctor, specialist or allied health worker.

When can I expect the results of my X-rays?

The time that it takes your doctor to receive a written report on the test or procedure you have had will vary, depending on:

  • the urgency with which the result is needed
  • the complexity of the examination
  • whether more information is needed from your doctor before the examination can be interpreted by the radiologist
  • whether you have had previous x-rays or other medical imaging that needs to be compared with this new test or procedure (this is commonly the case if you have a disease or condition that is being followed to assess your progress)
  • how the report is conveyed from the practice to your doctor (in other words, email, fax or mail)

Please discuss any specific questions about X-rays with a doctor or medical specialist.

Further information about X-rays:

X-rays are safe when performed in a controlled environment like an X-ray department. X-ray equipment is checked regularly to ensure that it is functioning properly and not delivering excess radiation to patients or staff. People operating X-ray equipment are required by law to be licensed to do so, to ensure they are properly qualified to operate the radiation equipment.

Useful websites about X-rays

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