CT (Computed Tomography) Scans

• X-ray technology: CT scans use a series of X-ray beams that rotate around your body to capture multiple images from different angles.
• Image slices: These images are processed by a computer to create cross-sectional “slices” of your body—like looking at the layers of a loaf of bread.
• 3D views: In many cases, these slices are combined into 3D images that help doctors see organs, bones, and tissues in detail.
• Quick and painless: You’ll lie on a table that moves through a large, donut-shaped scanner. The scan itself is fast and non-invasive.
• Expert review: A radiologist reviews the images and shares the results with your healthcare provider to guide your care.

CT scans are used to diagnose, monitor, and guide treatment for many health conditions:

• Injury detection: Identifies broken bones, internal bleeding, and trauma-related damage.
• Cancer evaluation: Detects tumors, helps with staging, and monitors treatment response.
• Heart and blood vessels: Assesses blockages, aneurysms, and blood flow issues.
• Brain and spine: Diagnoses strokes, brain injuries, and spinal problems.
• Abdominal and pelvic imaging: Examines organs like the liver, kidneys, pancreas, and reproductive system.
• Procedure planning: Guides biopsies, surgeries, and radiation therapy.

• Detailed imaging: CT scans provide high-resolution images that help detect problems early.
• Fast results: Most scans take only a few minutes, making them ideal for emergencies.
• Non-invasive: No surgery or recovery time is needed.
• Comprehensive views: Shows bones, soft tissues, and blood vessels in one scan.
• Supports treatment planning: Helps doctors make informed decisions about your care.

Radiation Exposure

• Radiation dose: CT scans use a low dose of ionizing radiation to create detailed images of your body.
• Low risk of harm: The amount of radiation is comparable to a few years of natural background exposure and is considered safe for most patients.
• Benefits usually outweigh the risks: The detailed information gained from a CT scan often plays a critical role in diagnosing or monitoring serious health conditions, making the small radiation risk worthwhile.

"We follow the ALARA principle—'As Low As Reasonably Achievable'—to ensure every CT scan uses the minimum radiation necessary while maintaining the highest image quality for accurate diagnosis."

Allergic Reactions to Contrast Dye

• Rare, but possible: Some CT scans use a contrast dye to improve image clarity. While reactions are uncommon, they can happen.
• Symptoms: Mild reactions may include itching, rash, or nausea. Severe reactions like difficulty breathing or anaphylaxis are very rare.
• Inform your doctor: If you have known allergies to iodine, contrast dye, or latex, let your healthcare provider know before your scan.

Pregnancy and Breastfeeding

• CT scans are generally avoided during pregnancy: If you are pregnant or think you might be, CT scans are typically not recommended unless necessary due to potential risks to the developing baby.
• Breastfeeding considerations: CT scans without contrast dye pose no risk to breastfeeding. If contrast dye is used, your provider may give specific guidance depending on the type of contrast dye.

Discomfort or Pain

• Lying still: You’ll need to lie still on the scanning table, which may be uncomfortable if you have pain or a recent injury.
• IV placement: If contrast dye is needed, an IV will be placed in your arm. You may feel a brief prick or cold sensation during the injection.
• Injection site reactions: Rarely, you might experience redness, swelling, or soreness at the IV site afterward.

Interference with Scan Accuracy

Certain factors can affect the clarity and accuracy of your CT scan results. Here’s what to keep in mind:

• Movement during the scan: Staying still is essential. Any movement—even small shifts—can blur the images and make it harder for doctors to interpret them. If you have a condition that makes it difficult to lie still, let your care team know so they can help.
• Metal objects: Jewelry, eyeglasses, belts, or clothing with zippers can interfere with the scan. You’ll be asked to remove these before the procedure.
• Recent food or drink: For scans that require fasting or contrast dye, eating or drinking too close to your appointment may affect image quality. Follow all prep instructions carefully.
• Medications: Some medications like those for diabetes or blood thinners—might need to be stopped before and after your scan, especially if contrast dye is used. Your doctor will let you know what’s best for you.
• Anxiety or discomfort: Feeling anxious or uncomfortable can make it harder to stay still. If you’re concerned, talk to your provider—support options like calming techniques or mild sedation may be available.

• Avoid caffeine, nicotine, and stimulants for at least 12 hours before the scan, as these can affect heart rate and image clarity.
• In some cases, patients may be given medication to lower their heart rate before the scan. This helps produce clearer images of the coronary arteries.
• Not all cardiac CTs require medication—your provider will let you know if it's needed for your exam.

• You may be asked to drink oral contrast or water before the scan to help highlight the stomach, intestines, and other abdominal organs.
• Fasting for a few hours before the scan may be required, especially if IV contrast is used.

• This exam requires bowel prep like a traditional colonoscopy. You’ll need to follow a special diet and take prescribed laxatives a few days before the scan to clean out your colon.
• Clear instructions will be provided to ensure your colon is properly prepared for accurate imaging.