Panoramic X-ray machine
I went to a regional hospital to get a panoramic X-ray, and the machine made a loud beeping noise while it rotated, which my husband in the waiting area could hear and felt the vibrations.
Additionally, I noticed a significant static electricity sensation during the procedure.
I haven't experienced such conditions or loud noises at other clinics before.
I'm concerned about whether this could pose any danger, such as machine malfunction or excessive radiation exposure.
Grace, 40~49 year old female. Ask Date: 2023/04/21
Dr. Lin Honghan reply Radiology
Hello:
1.
It is normal for certain units in the hospital to have warning sounds during X-ray exposure.
This may be due to the machine itself signaling that the X-ray beam is currently being emitted, or it could be a radiation detector that emits a warning when it detects radiation exposure.
However, the volume of these alerts should be within an acceptable range and not produce excessive noise.
It is possible that someone in the hospital may have accidentally activated an emergency call button in the restroom or a fire alarm.
2.
Oral X-rays, whether full mouth or localized, involve a relatively low dose of radiation exposure.
If a higher energy dose were used, it would result in complete X-ray penetration, making it impossible to capture an image due to the anatomical structure of the teeth and mouth.
The internal high-voltage generator of the equipment cannot input excessively high current and voltage.
Additionally, equipment failures typically result in the inability to emit radiation rather than an inability to stop once exposure has begun, so there is no need to worry about excessive radiation doses.
3.
Static electricity is generated due to dry environmental conditions or friction and is not directly related to the equipment.
4.
If you encounter any issues in the future, you can directly ask the on-site staff.
Cross-department inquiries often lead to discrepancies due to differences in equipment brands, setups, and actual circumstances.
Reply Date: 2023/04/21
More Info
When it comes to concerns about the noise and static from panoramic X-ray machines, it’s essential to understand how these machines operate and what the sounds and sensations you are experiencing might indicate.
Firstly, the loud noises you hear during the operation of a panoramic X-ray machine are not uncommon. Many X-ray machines, especially those used for dental imaging, can produce significant sounds as they rotate around the patient. These sounds can be attributed to the mechanical components of the machine, such as motors and gears, which are necessary for the machine to function correctly. In some cases, the noise level may be higher than expected, but this does not necessarily indicate a malfunction. It’s possible that the machine is simply operating within its normal parameters, albeit noisily.
Regarding the static electricity you felt during the procedure, this is often a result of environmental factors, such as low humidity, rather than an indication of machine malfunction. Static electricity can build up in dry environments, and it may be felt more acutely when you are in close proximity to electronic devices. This sensation is generally harmless and not related to the X-ray exposure itself.
As for your concerns about radiation exposure, panoramic X-ray machines are designed to emit a very low dose of radiation, which is considered safe for patients. The radiation dose from a single panoramic X-ray is typically around 0.01 to 0.02 millisieverts (mSv), which is comparable to the amount of natural background radiation a person would receive in a few days. The machines are calibrated to ensure that they deliver the minimum necessary dose to obtain a diagnostic image.
It’s also important to note that if there were any issues with the machine, such as a malfunction that would lead to excessive radiation exposure, safety mechanisms are in place to prevent such occurrences. Most modern X-ray machines have built-in safety features that would halt the exposure if the machine is not functioning correctly. Therefore, the likelihood of receiving an unsafe dose of radiation due to a malfunctioning machine is very low.
If you have any lingering concerns about the specific machine used during your visit, it is always a good idea to speak directly with the radiology staff or the technician who operated the machine. They can provide you with information about the machine's maintenance history, any recent inspections, and the protocols in place to ensure patient safety.
In summary, the loud noises and static you experienced during your panoramic X-ray are likely normal and not indicative of any malfunction or excessive radiation exposure. Panoramic X-ray machines are designed with patient safety in mind, and the doses of radiation they emit are very low. If you have further questions or concerns, don’t hesitate to reach out to healthcare professionals for clarification. Your health and peace of mind are important, and they can provide the reassurance you need.
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