Last Updated on November 27, 2025 by Bilal Hasdemir

Many people find PET or CT scans scary, mainly because of claustrophobia. The tight space in the scanner can make them very anxious. At Liv Hospital, we make sure our patients feel safe and comfortable.
We use a patient-first approach and follow international standards. This helps those with claustrophobia feel more at ease during scans.
Claustrophobia is a big worry for PET and CT scans. These scans require patients to stay very quiet and calm in a small space for a long time. Techniques like guided imagery and clear communication from staff can help. Facing PET scan claustrophobia? Get 7 essential tips and coping strategies to effectively manage your anxiety during the procedure.
Key Takeaways
- Understanding claustrophobia and its impact on medical imaging experiences
- Techniques to alleviate anxiety during PET and CT scans
- The importance of clear communication with medical staff
- Positioning and comfort measures to reduce claustrophobic feelings
- Support resources available for patients with claustrophobia
Understanding Claustrophobia in Medical Imaging

Medical imaging, like PET scans and CT scans, can be scary for those with claustrophobia. Claustrophobia is a fear of being in small, enclosed spaces. It’s more common than you might think, affecting many people. Knowing about claustrophobia in medical imaging helps us care for our patients better.
What Causes Scan-Related Anxiety
Scan-related anxiety comes from many sources, like the small space of scanning machines. Past experiences also play a big role. Studies show that this anxiety can be so strong that it stops patients from getting the tests they need. We need to understand these causes to help our patients.
Prevalence and Impact on Patient Care
About 5% of people have claustrophobia, and up to 13% of imaging patients feel anxious or claustrophobic. This can cause patients to skip tests, leading to delays in diagnosis and more radiation exposure. Talking about it before the test can help make it less scary.
“The enclosed environment of scanning machines can be a significant source of anxiety for patients. It’s important that we address this with empathy and provide the right support.”
How PET, CT, and Bone Scan Machines Differ

It’s important to know how PET, CT, and bone scan machines differ for those who feel claustrophobic during scans. The design and setting of these machines can greatly affect a patient’s anxiety.
PET Scan Machine Design
PET scan machines are less confining than MRI machines. They have an open structure. The PET-MRI table moves into the machine, and the scanner is like a tunnel open at both ends. This design helps reduce claustrophobia.
Even though PET scans can cause anxiety, their open design makes them less claustrophobic than MRI machines.
CT Scan Environment
CT scan machines are also enclosed but need less time than MRI scans. The CT scanner is a large, doughnut-shaped machine that moves around the patient. This can cause claustrophobia, but the scan is usually quicker, lasting just a few minutes.
Key differences in CT scan environment:
- Faster scan times compared to MRI
- Doughnut-shaped design
- Less confining than MRI but enclosed
Bone Scan Procedure Experience
Bone scan machines are similar to PET and CT scanners. They have a table that slides into a scanner. The procedure is less confining than an MRI, and the scanner is open at both ends. It’s similar to a PET scan, with the patient moving through the scanner on a table.
Bone scans are used to detect bone diseases or cancer. They involve being inside a scanner, but the open design helps reduce claustrophobic feelings. This is unlike more enclosed machines like MRI scanners.
The Impact of PET Scan Claustrophobia on Diagnostic Results
Claustrophobia during PET scans is a big challenge for patients and doctors. It can affect how well the scan works. When patients feel anxious or panicked, they might move or not finish the scan. This can make the results less accurate.
We know that claustrophobia and PET scan procedures can be scary for many. The tight space of PET scan machines can make claustrophobia worse. It’s important to help patients feel comfortable to get good results.
Potential Consequences of Scan Abandonment
If claustrophobia stops a patient from finishing the PET scan, it might need to be rescheduled. This delay can also mean more radiation exposure if the scan has to be done again.
Scan abandonment because of anxiety, like during PET-CT scans, should be avoided. It’s bad for radiation exposure and can slow down care. We need to help patients manage their anxiety so they can finish the scan.
Radiation Exposure Concerns
PET scans use a little bit of radiation. If a scan is stopped and has to be redone, the total radiation could be a problem. It’s key to avoid needing to repeat scans for safety.
To lower this risk, we focus on managing pet scan claustrophobia well. Things like breathing exercises, guided imagery, and talking openly with the imaging team can help a lot.
Importance of Completing the Full Procedure
It’s very important to finish the PET scan to get good diagnostic results. If a scan is not done fully, it might not give clear results. This could mean more tests or procedures, which can stress patients and slow down treatment.
By knowing the risks of not finishing the scan and why it’s important, we can better help our patients. Helping them deal with claustrophobia is key to getting good results.
| Consequence | Impact on Patient Care | Potential Solution |
| Scan Abandonment | Delays diagnosis and treatment | Anxiety management techniques |
| Increased Radiation Exposure | Potential long-term health risks | Minimizing repeat scans |
| Incomplete Diagnostic Results | Need for additional diagnostic tests | Ensuring patient comfort during scans |
Comparing Claustrophobia: PET Scan vs. MRI Machines
For people with claustrophobia, getting a PET scan or MRI can be scary. Both are important for checking health, but they feel different. The design of each machine affects how comfortable you’ll feel.
Structural Differences Between Scanners
The design of the machines is key for those with claustrophobia. MRI machines, like closed-bore ones, can feel very tight. PET scans, though enclosed, might feel less tight to some.
Wide-bore MRI machines are 20% bigger and quieter than closed ones. This can help lower anxiety. PET scans have a bigger, more open design, making them feel less tight.
Duration and Movement Requirements
The length of the scan and how much you need to move also matter. PET scans usually take 30 to 60 minutes, including getting ready. MRI scans can take longer, depending on what’s being checked.
PET scans use a bed that slowly moves through the scanner. This can feel less tight than being in an MRI machine. The movement and knowing the scan is moving can make some feel better.
Why PET Scans May Feel Less Confining
PET scans might feel less tight because of their design and how they scan. Their bigger opening and less surrounding equipment make a big difference. Also, the shorter time and bed movement help some feel less anxious.
Healthcare providers should talk to patients about these differences. This helps them know what to expect and how to deal with their fear during the scan.
Tip 1: Practice Breathing Techniques Before Your Scan
Learning breathing techniques before a PET or CT scan can help with claustrophobia. These methods help manage anxiety, making the scan easier for everyone.
Breathing exercises are simple but powerful for calming the mind and body. It’s best to practice them before the scan. Diaphragmatic breathing and breath-counting are two great options.
Diaphragmatic Breathing Methods
Diaphragmatic breathing goes deep into the lungs, not just the chest. Place one hand on your stomach and the other on your chest. Inhale slowly through your nose, letting your stomach rise while your chest stays steady. This can slow your heart rate and relax you.
Breath-Counting Exercises
Breath-counting is another good way to handle anxiety. Inhale deeply, then exhale slowly while counting to four. Hold your breath for a count of four, then inhale again for a count of four. Keep repeating this. This rhythmic breathing can distract you from anxious thoughts and bring calm.
Using these breathing techniques before your scan can lower your anxiety. We suggest practicing them often before your scan to get the best results.
Tip 2: Use Guided Imagery During CT and PET Scans
Guided imagery is a powerful tool for managing claustrophobia during CT and PET scans. It helps patients create mental safe spaces and use visualization techniques. This can significantly reduce anxiety levels during these scans.
Creating Mental Safe Spaces
Creating mental safe spaces is a key part of guided imagery. Patients imagine a peaceful, safe environment that distracts them from the scan. For example, they might picture themselves on a serene beach or in a quiet forest.
By focusing on the sensory details of this imagined environment, patients can calm their minds. This helps reduce anxiety.
To effectively create a mental safe space, patients can follow these steps:
- Identify a peaceful environment that they find calming
- Use all their senses to imagine the details of this environment
- Practice visualizing this space before the actual scan to become familiar with the imagery
Visualization Techniques for Anxiety Reduction
Various visualization techniques can also help reduce anxiety during CT and PET scans. These techniques involve using visualization to focus on positive outcomes and distract from the scanning process.
| Technique | Description | Benefit |
| Progressive Relaxation | Visualize relaxing different muscle groups | Reduces physical tension |
| Color Visualization | Imagine calming colors filling the body | Promotes relaxation |
| Outcome Visualization | Picture the scan being completed successfully | Boosts confidence and reduces anxiety about the outcome |
By incorporating guided imagery and visualization techniques into their scan preparation, patients can better manage their claustrophobia. This makes the experience less stressful.
We recommend practicing these techniques before the scan to maximize their effectiveness. By doing so, patients can take an active role in managing their anxiety. This improves their overall experience during CT and PET scans.
Tip 3: Request Feet-First Positioning When Possible
For those who get anxious in tight spaces, feet-first positioning during PET or CT scans can be a big help. This way of entering the scanner can make you feel less trapped. It might also lower your anxiety and discomfort.
Some places let you be scanned feet-first. This can change how you feel during the scan. You might feel more in charge and less trapped.
Benefits of Alternative Entry Positions
Feet-first positioning has many good points for those with claustrophobia. It can lessen the fear that comes with seeing the scanner tunnel. It also makes the scan feel less scary because your head stays outside longer.
Here’s a quick look at the differences:
| Positioning | Patient Experience | Anxiety Level |
| Head-First | Patient feels more enclosed | High |
| Feet-First | Patient feels less confined | Lower |
Communicating Your Needs to Technicians
To use feet-first positioning, you need to tell the technicians about your claustrophobia. Let them know you prefer feet-first before the scan.
Tips for effective communication:
- Tell the imaging center about your claustrophobia when you schedule your appointment.
- Remind the technicians on the day of the scan about your preference for feet-first positioning.
- Ask if feet-first positioning is available for your specific scan type.
Working with the imaging staff can make your scan more comfortable and less stressful.
Tip 4: Utilize Music or Audio Distraction Techniques
Audio distraction is a simple yet effective way to ease claustrophobia during medical scans. Listening to calming music or guided meditation helps patients focus away from the scanning environment. This reduces anxiety and makes the experience more bearable.
How Audio Distraction Works
Audio distraction engages the patient’s ears, taking their mind off the scanning process. Music therapy has been shown to improve patients’ emotional states. It promotes relaxation and lowers stress levels.
Listening to music or calming stories during scans changes brain activity. This often leads to a more relaxed state. It’s very helpful for those with claustrophobia, as it helps them focus less on feeling trapped.
Options Available at Imaging Centers
Many imaging centers offer audio distraction options to help patients relax. These include:
- Pre-recorded music playlists tailored to patient preferences
- Guided meditation sessions led by experienced practitioners
- Personal audio devices allow patients to listen to their own music
We suggest patients ask about these options at their chosen imaging center. This way, they can prepare better for the scan and possibly reduce their anxiety.
In summary, using music or audio distraction is a great way to manage claustrophobia during scans. By understanding how it works and exploring available options, patients can make their scanning experience more comfortable.
Tip 5: Establish Clear Communication with Imaging Staff
For those with claustrophobia during medical imaging, talking clearly with the imaging staff can help a lot. Feeling connected to the team running the PET or CT scan can make you feel more at ease. This connection is key to a smoother experience.
Creating Hand Signals for Distress
One good way to communicate is through hand signals for distress. Before the scan, patients and staff can agree on signals. It could be as easy as raising a hand or using a stress ball.
For instance, a thumbs-up or thumbs-down can mean you’re okay or not. This simple method lets staff know quickly if you’re uncomfortable. It’s a way to reassure and respond fast.
Understanding the Progress Updates During Scans
It’s also important to keep patients in the loop about the scan’s progress. Staff can tell you how much longer it’ll take or when you’ll move to the next part. Knowing what’s happening can help manage your anxiety.
| Communication Method | Benefit |
| Hand Signals for Distress | Allows patients to communicate discomfort without speaking |
| Progress Updates | Keeps patients informed, reducing anxiety and increasing sense of control |
Using these communication methods can make PET and CT scans less stressful for those with claustrophobia. It’s about working together to make the experience better. Patients should feel supported and understood.
Tip 6: Bring a Support Person When Permitted
Having a trusted friend by your side can make medical imaging less scary. It gives patients a sense of comfort during PET or CT scans.
How Companions Can Help Reduce Anxiety
Companions are key in easing anxiety during scans. They can offer words of encouragement, hold hands, or just be there. This support can make patients feel more relaxed and less likely to leave early.
Here are some ways companions can help:
- They provide emotional support before and during the scan.
- They can help take the patient’s mind off anxious thoughts.
- They can also help talk to the imaging staff.
Facility Policies on Accompaniment
It’s important to know the rules about who can be with you during a scan. Different places have different rules about who can be there.
| Facility Policy | Description |
| Allowed with Restrictions | Some places allow companions, but with some rules, like not being in the scan room or wearing special clothes. |
| Not Allowed | Some places don’t let companions in the scan room for safety or other reasons. |
| Case-by-Case Basis | Some places decide based on the patient’s situation and the scan type. |
Patients should ask about the rules when they schedule their scan. This way, they won’t be surprised or upset later.
Tip 7: Consider Cognitive Behavioral Techniques for Long-Term Management
For those with claustrophobia during medical scans, cognitive behavioral techniques are a great long-term solution. They help you better handle scan-related anxiety. We suggest trying these methods to improve your coping skills.
Cognitive behavioral techniques are very helpful for claustrophobia. Exposure therapy and cognitive restructuring are two methods that work well.
Exposure Therapy Approaches
Exposure therapy slowly gets you used to the scanning environment. It makes you feel more comfortable with the scanner. This reduces your anxiety over time. Here are some key points about exposure therapy:
- First, assess how comfortable you are with the scanner.
- Then, start with small steps to get used to it.
- Therapists or medical staff will support you every step of the way.
Cognitive Restructuring for Medical Procedures
Cognitive restructuring changes how you think about the scanning experience. It helps you see it in a more positive light. This reduces your anxiety and makes the scan easier. Here’s how cognitive restructuring works:
- First, identify any negative thoughts about the scan.
- Then, challenge these thoughts with more positive ones.
- Practice these new thoughts to make them stick.
Using cognitive behavioral techniques like exposure therapy and cognitive restructuring can help you manage claustrophobia during scans. We recommend talking to your healthcare provider about these options. They can help find the best approach for you.
Conclusion
Managing claustrophobia during PET and CT scans is key to a good experience. Knowing why claustrophobia happens and using the right tips can help. This makes the process easier for patients.
Getting patients ready for scans and teaching them to handle anxiety is important. Techniques like breathing exercises and guided imagery can help. Talking to the imaging staff also helps reduce stress.
By using these tips, patients can handle their claustrophobia better. This makes the scanning process more comfortable and successful. Our aim is to support and guide patients to reduce their distress during these procedures.
FAQ
What is claustrophobia, and how does it affect patients undergoing PET and CT scans?
Claustrophobia is the fear of being in small, enclosed spaces. It can make patients very anxious during PET and CT scans. These scans require patients to stay very quiet and not move in a small, enclosed area.
Are PET scan machines more claustrophobic than MRI machines?
PET scan machines are less confining than MRI machines. They have a design that is more open. This might make them less likely to cause claustrophobia.
How does claustrophobia impact the diagnostic results of PET and CT scans?
If a patient is too anxious to finish the scan, the results might not be clear. This could mean they need to have more scans or tests.
Can breathing techniques help manage claustrophobia during PET and CT scans?
Yes, breathing techniques like diaphragmatic breathing can help. They can calm the patient and make the scan easier.
What is guided imagery, and how can it help with claustrophobia during scans?
Guided imagery is about creating a safe mental space. It uses visualization to imagine a peaceful place. This can help patients relax and feel calm during scans.
Is it possible to request a different positioning during the scan to alleviate claustrophobia?
Yes, asking to be positioned feet-first can help. It makes the scan feel less tight and more open.
Can listening to music or audio distraction help reduce claustrophobia during PET and CT scans?
Yes, listening to music or other sounds can distract from the scan. It can help reduce anxiety.
How can patients communicate their needs to the imaging staff to manage claustrophobia?
Patients should talk to the imaging staff clearly. They can use hand signals or ask for updates. This can make them feel more in control and calm.
Can bringing a support person to the imaging appointment help alleviate claustrophobia?
Yes, having someone with you can offer emotional support. It can help reduce anxiety. But, check the facility’s rules on bringing someone first.
Are there any long-term techniques for managing claustrophobia during medical procedures?
Yes, cognitive behavioral therapy can help. Techniques like exposure therapy and cognitive restructuring can make patients more comfortable over time.
Are CT scans claustrophobic?
CT scans are enclosed, but they are shorter than MRI scans. This might make them less likely to cause severe claustrophobia.
Can open CT scans help patients with claustrophobia?
Yes, open CT scans are designed for claustrophobic patients. They offer a more open space, which can reduce anxiety.
References
- Radiology Society of North America. (2023). Minimising Claustrophobia and Scanxiety in Radiology. Retrieved October 2025, from https://www.rsna.org/-/media/files/rsna/practice-tools/quality-improvement/quality-improvement-reports/2023/minimizing-claustrophobia-r5a-qi-7-secured.pdf
- Munn, Z., Barker, T. H., Moola, S., et al. (2012). The effectiveness of interventions to reduce anxiety, claustrophobia, and sedation in patients undergoing medical imaging: A systematic review. Journal of Medical Imaging and Radiation Oncology, 56(3), 271-281. Retrieved October 2025, from https://pubmed.ncbi.nlm.nih.gov/27820328/