How is MRI different from CT scan?
Both these modalities create cross sectional images. MRI uses magnetic radiation and CT ionizing radiation. MRI is extremely good to detect soft tissue abnormalities including brain, disc and joints however CT is excellent modality for chest, bones and abdomen. No radiation in MRI so useful in pregnancy and pediatrics.
Will I get pain after biopsy?
Yes, some patients might get pain after the biopsy. Patient can take routine pain killers for the same.
What preparations are required for CT guided biopsy?
Patient needs to be empty stomach for 6 hours prior to biopsy. Blood thinners like ecopsirin needs to be stopped 5 days prior to biopsy after consultation with the treating physician. PT, PTT , INR tests needs to be done before the biopsy. Patient is observed for 4 to 5 hours after biopsy before discharge.
How long I need to stay in hospital after contrast CT?
Patient needs to stay for 30 min after the scan to watch for delayed contrast reaction after the scan.
How do I feel during or after contrast CT scan?
After IV injection of contrast, patient might feel warmth in the body and metallic taste in mouth for few second and then disappear.
Is it painful to do CT scan?
No. CT scan is not painful.
Is there any alternatives for CT scan?
Yes. Other modalities like ultrasound and MRI can be used.
What can be done to lower radiation dose in CT?
In our hospital we do low radiation dose protocol to reduce radiation dose.
How do I prepare for coronary angiogram?
Patient needs to be on beta blockers 2 days prior to the study and empty stomach for atleast 4 hours before the study. The goal is to keep heart rate around 60 for the coronary angiogram study.
Is there any risks with contrast injection?
Yes. Contrast allergic reaction can occur which can be mild , moderate or severe. Kidney damage due to contrast is another risk. Contrast extravasation and pain can happen.
