সংজ্ঞা
A CT scan uses a x-rays and special computers to make pictures of the inside of the body. In this case, the images are of the head.
পরীক্ষার কারণ
A CT scan is done to study your skull, brain, jaw, sinuses, and facial bones. It will look for signs of injuries, tumors, infections, or other diseases.
Your doctor may recommend a head CT if you have any of the following symptoms:
- মাথাব্যথা
- খিঁচুনি
- Head injury or injury to the face or eyes
- Dizziness or problems with balance
- বিভ্রান্তি
- Behavior or personality change
- Chronic nasal congestion
- Swelling in the face, head, or neck
সম্ভাব্য জটিলতা
A chemical called contrast may be used to help improve the pictures. Some people can have an allergic reaction or develop kidney problems with contrast material. However, bad reactions are rare. Your doctor will review a list of possible complications of a CT scan with contrast.
A CT scan does use radiation. You and your doctor will weigh the harms and benefits of this test. A CT scan may not be advised if you are pregnant.
পরীক্ষার আগে আপনার ডাক্তারের সাথে এই ঝুঁকিগুলি নিয়ে আলোচনা করতে ভুলবেন না।
কি আশা করছ
পরীক্ষার আগে
Your doctor may ask you to:
- Avoid eating or drinking anything for four hours before the test if contrast will be used.
- Remove any metal objects, such as jewelry, hearing aids, or dentures.
পরীক্ষার বর্ণনা
If contrast is needed, it will be injected into a vein.
You will be positioned on a special moving table. The table will move slowly through the CT scanner. You will need to stay still during the entire test. The technician may need to use a device to keep your head still. As the scanner takes pictures, you will hear humming and clicking. You will be able to talk to the technician through an intercom.
পরীক্ষার পর
If you had contrast, you may be asked to drink extra fluid. This will flush the contrast from your body.
এতে কতক্ষণ সময় লাগবে?
About 10 minutes
এটা আঘাত করবে?
You may feel flushed if you are given contrast. You may also notice a salty or metallic taste in your mouth and feel nauseated.
ফলাফল
The CT images will be sent to a radiologist for analysis. Your doctor will receive the results and discuss them with you.
আপনার ডাক্তারকে কল করুন
If you were given contrast, call your doctor if any of the following occurs after the test:
- আমবাত
- চুলকানি
- বমি বমি ভাব
- Swollen, itchy eyes
- Tightness of throat
- শ্বাস নিতে কষ্ট হওয়া
জরুরী পরিস্থিতিতে, অবিলম্বে চিকিৎসা সহায়তার জন্য কল করুন।