Neurological CT

Neurological Imaging on Long Island with Low Dose CT

Neurological CT (computed tomography) at Zwanger-Pesiri Radiology is performed within our advanced neuroradiology department, where clinical excellence and patient care come together. Our team includes world-renowned neuroradiologists, highly skilled CT technologists, and dedicated nurses who specialize in brain and spine imaging. Working collaboratively, they ensure every exam is performed with precision, efficiency, and compassion, delivering accurate results when timely diagnosis matters most.

What are the benefits of Neurological CT Imaging?

Rapid Imaging: Ideal for emergency and time-sensitive evaluations
Exceptional Detail: Clear visualization of the brain, skull, and blood vessels
Wide Availability: Quick access with fast exam times
Contrast Options: Enhanced detection of tumors, bleeding, or inflammation
Guides Treatment: Supports immediate clinical decision-making

How does Neurological CT work?

Neurological CT uses advanced X-ray technology combined with sophisticated computer processing to create detailed cross-sectional images of the brain and surrounding structures. As the scanner rotates around the head, it captures multiple images from different angles, which are then reconstructed into highly detailed views. In some cases, contrast material may be used to highlight blood vessels or abnormalities, allowing neuroradiologists to assess conditions such as stroke, trauma, tumors, or hydrocephalus with clarity.

What happens during the test?

First, the technologist ensures that you have no metal on your body, and reviews your medical history with you. You are then asked to lie on the scanning table, which is moved into the center of the machine, and asked to stay as still as possible to ensure the clearest images.

The exam is non-invasive and the machine never touches your body. The technologist is available via intercom should the patient have any concerns during the exam. If contrast is required, a nurse will administer it safely and explain what to expect. Most neurological CT exams last only a few minutes.

How do I prepare for a Neurological CT exam?

How to Prepare

You must remove all jewelry and any other metallic objects such as hearing aids, jeans with metal zippers, body piercings, and removable dental work. Wearing a sweatsuit with no metal may prevent you from having to change into a gown.

Additional prep CT with I.V. contrast

Do not eat anything one hour prior to your exam time. You may drink clear liquids (example: water, ginger ale, apple juice). Keep hydrated before and after your exam.

If you have impaired kidney function, are diabetic, or are 70 years of age or older, we will perform an i-STAT creatinine level at the time of your exam to assess your kidney function. It is important to inform us if you are taking the medication hydroxyurea when making your appointment.

Additional prep CT with oral contrast

If you are receiving oral contrast, please pick up the contrast kit the day before your exam. If you are receiving Omnipaque oral contrast, refer to the Omnipaque oral contrast section below. If you are receiving Redi-CAT oral contrast, please ask your Zwanger-Pesiri representative for those specific instructions.

Omnipaque oral contrast prep for CT scan

Do not take if you have an iodine allergy.

Begin drinking the Omnipaque oral prep one hour and 40 minutes before your exam, preferably finishing 20 to 30 minutes before the exam time.

To prepare the contrast drink:

Pour HALF the contents of the Ominpaque bottle into the 32 oz. cup that was given to you.
Fill the cup with water up to approximately 1/2 inch from the top of the cup (approximately 30 oz).
Stir well and drink.
Discard the cup, contrast bottle and straw after use.

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Why Choose Zwanger-Pesiri?

Zwanger-Pesiri Radiology brings world-class expertise to the Long Island community. Our subspecialty-trained radiologists are Board Certified by the American Board of Radiology with fellowship training in a variety of specialties. They are highly-skilled, highly-knowledgeable, and make patient care a priority. To learn more, contact us today.