Hey, a couple of years ago I had a CT coronary angio, but I had a panic attack because of the contrast media, and my heart rate shot up to 120. The staff didn't wait for it to settle and went ahead with the scan. They said my arteries were disease-free and mentioned something about a right circulation and a small caliber artery. How did they even get accurate images with my heart rate that high? Did they just fool me? Also, they originally told me I'd need another CT angio in 10 years. Do you think I need to do a repeat scan now? I'm just really confused about what I should do next.

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Dr Dr Khaleel Ur Rahim

General Practitioner

MBBS
1+ Yrs

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It is possible to obtain accurate images during a CT coronary angiography even if your heart rate increases due to a panic attack triggered by the contrast media. The imaging technology is designed to capture clear images even with some movement. However, if you have concerns about the accuracy of the results or if you are due for a repeat CT angio according to your previous medical plan, it would be advisable to consult with your healthcare provider. They can review your previous scan, assess your current health status, and determine if a repeat CT angio is necessary at this time.

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Answered 04/07/2025

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Repeat Scan Consideration:
- If advised to repeat in 10 years and no new symptoms or risk factors have emerged, it's generally safe to wait.
- Consult your doctor if you experience new symptoms like chest pain or shortness of breath.
Image Accuracy with Elevated Heart Rate:
- A heart rate of 120 can reduce image clarity due to motion blur.
- Modern CT scanners often compensate for this, but discuss with your doctor if concerned.
Contrast Media Reaction:
- Inform your healthcare provider about your past reaction to contrast media.
- They can explore alternative imaging methods or premedication options to prevent future panic attacks.

Key Points:

Elevated heart rate may affect image clarity but can still yield useful information.
Follow your doctor's advice on scan timing unless new symptoms occur.
Discuss past contrast reactions with your healthcare team for safer imaging options.

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Answered 20/08/2025

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