Suk, I'm sorry to hear you've had some unexpected results from your CT. I'm assuming there was a reason the CT was being done, whether cardiac or something else.
This isn't something that happened to me, but clearly it makes sense to discuss your results with whoever ordered the CT. If that was your GP, I would encourage you to use your chat with him as a gateway to ensuring he makes the relevant referrals to cariolody or wherever else is required.
Obviously significant calcification isn't a great situation, but I'd urge you to look on it as now you know, you can look into options for improving the situation, so that you can crack on with living your best life.