CT - ANGIO

CT - ANGIO

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Computed tomography angiography (CTA) uses an injection of iodine-rich contrast material and CT scanning to help diagnose and evaluate blood vessel disease or related conditions, such as aneurysms or blockages. How does CT work? CT uses X-rays to perform its work. These X-rays come from an X-ray tube which is placed inside a square machine called the gantry. The part of your body to be scanned goes inside a hole in this gantry. Why is CT such a good modality? Ordinary X-ray pictures are one-dimensional representations of body parts but CT allows us to section the body to view its inner parts. Thus, the skull X-ray only shows us the outer part, whereas CT shows us the inner parts of the brain. Where is CT useful? All parts of the body can be scanned with CT. For each part, there are specific indications or reasons for scanning. Your referring doctor and the consultant radiologist are the best judges of the usefulness of CT scanning in a specific situation and areas. Are there any dangers of CT scanning? Though X-rays involve radiation, there are no dangers, in practice. In women who are pregnant, however, CT scanning should be done after weighing all the risks. What is the injection that I may receive? Majority of the patients will be injected with a "dye" which enhances the ability of CT scans to pick up abnormalities. This is routine. The dye used is a non-ionic contrast medium, which is much safer than the routine, cheaper, ionic dyes. Are there any complications because of the "dye"? 0.5% of patients may get nausea and redness of the skin. Though severe reactions are known, these are very rare and uncommon.


Why is CT - ANGIO done ?

A coronary angiography is a test to find out if you have a blockage in a coronary artery. Your doctor will be concerned that you’re at risk of a heart attack if you have unstable angina, atypical chest pain, aortic stenosis, or Unexplained heart failure. During the coronary angiography, a CONTRAST dye will be injected into your arteries through a catheter (thin, plastic tube), while your doctor watches how blood flows through your heart on an X-ray screen. This test is also known as a cardiac angiogram, catheter arteriography, or cardiac catheterization.

CT - ANGIO Instructions

CCO:
Ask for the status of pregnancy or breastfeeding in a female patient.Ask for any previous allergies to contrast matierial.Serum creatinine test should be done before the procedure.No food intake 6 hrs prior to CT SCAN. Only liquids can be taken untill CT SCAN is done.Metformin/Glibenclamide should be withheld on the day of procedure and for atleast 48hrs after the procedure . All the other regular medications can be taken with sips of water. Avoid caffeine before the procedure. Ask if the patient have had any barium studies done in the past 4 days.Ask for any history of claustrophobia.

SLAs:
For CT test scheduled before 8 AM eConsultation will be scheduled before 9 PM same day and the physical reports to be delivered by 10 PM same day
For CT test scheduled after 8 AM eConsultation to start from 8 AM next day and the physical reports to be delivered starting from 8 AM next day

FACILITATOR:
Confirm the compliance of preparations required.Check for the Serum creatinine levels.Ask the patient to wear comfortable clothes free of metals, zippers, hooks.Ask the patient to empty the bladder before entering CT SCAN room.

SLAs:
For CT test scheduled before 8 AM eConsultation will be scheduled before 9 PM same day and the physical reports to be delivered by 10 PM same day
For CT test scheduled after 8 AM eConsultation to start from 8 AM next day and the physical reports to be delivered starting from 8 AM next day

Why is CT - ANGIO ?

A CT scan uses X-rays to view specific areas of your body. These scans use safe amounts of radiation to create detailed images, which can help your doctor to detect any problems. A heart, or cardiac, CT scan is used to view your heart and blood vessels. During the test, a specialized dye is injected into your bloodstream. The dye is then viewed under a special camera in a hospital or testing facility. CT Heart  also be called a coronary CT angiogram if it�s meant to view the arteries that bring blood to your heart. The test may be called a coronary calcium scan if it�s meant to determine whether there�s a build-up of calcium in your heart.