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Smoker. Will smoking affect CT scan?

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General & Family Physician
Practicing since : 2004
Answered : 1678 Questions
Thank you. I am a cigarette. And marijuana smoker. I am scheduled for a C T Scan angio with contrast tomorrow. I was told not to smoke cigarettes prior to test. May I smoke a joint. Will this affect my Scan? Thank you
Posted Wed, 2 Jan 2013 in Hypertension and Heart Disease
Answered by Dr. Chakravarthy Mazumdar 1 hour later

I do not advise you to smoke a joint or cigarette. Any kind of smoke is better avoided at least 4 hours before a CT Scan. It will affect the findings of the Computed Tomography Scan largely. Smoking was related to several abnormal CT signs even among those with relatively small exposure. It showed increased emphysema signs and bronchial thickenings.

Let me know if you have further inquiry.

All the best for your test.

Above answer was peer-reviewed by
Follow-up: Smoker. Will smoking affect CT scan? 16 hours later
Thank you very much for your input. I needed this answer. Test in one hour. Thanks again
Answered by Dr. Chakravarthy Mazumdar 14 hours later
That is great.

If you have further queries you can post, else you may close the discussion and rate my answer here.

All the very best.
Above answer was peer-reviewed by
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