Preparation Instructions
for Computed Tomography (CT)

Area of the Body

Preparation Instructions

Abdomen, Pelvis,
CT Enterography

No solid food 4 hours before study. Clear liquids and medication permitted.

Brain/Head

Preparation is required only for studies that involve contrast. No solid food 4 hours before study. Clear liquids and medication permitted.

Chest (thorax)

Preparation is required only for studies that involve contrast. No solid food 4 hours before study. Clear liquids and medication permitted. Please bring previous x-rays.

Heart,
Coronary CTA

Prior to the Study

  • Patient should not consume any form of caffeine 12-hours prior to the study.
  • Patient should not eat solid foods 4- hours prior to the study.
  • Patient is asked to drink two 8-ounce glasses of water 1-hour prior to study.
  • Patient should continue taking all prescribed medications. There is no need to alter typical medication routine.
  • Patient should take 50-100 mg. of Metoprolol (Lopressor)* orally 1-hour prior to the study (Please notify our technologist if you are already taking a beta-blocker). This is a beta-blocker used to ensure the patient's heart-rate reaches an ideal 60-bpm or less. THE PATIENT SHOULD NOT TAKE THE BETA- BLOCKER UNTIL ARRIVING FOR THE STUDY - PLEASE ARRIVE ONE HOUR BEFORE STUDY BEGINS.

*At the discretion of patients referring physician.

During the Study

  • Patient will have contrast (x-ray) dye for this study. A needle will be placed in the left arm, around the elbow area.
  • Patient will have a 4-lead EKG attached to monitor his/her heart rate.
  • Patient may be given oxygen via nasal canula (oxygen tube under his/her nose), to help with his/her “breath-hold” during the study. This is dependent upon the length required for patient's breath-hold.
  • Patient will receive one squirt of nitroglycerine during his/her exam (under the tongue).**

**Unless contraindicated.

Following the Study

  • Patient is advised to eat and drink plenty of fluids after the study.

Internal auditory canal

No solid food 4 hours before study. Clear liquids and medication permitted.

Lumbar, Spine

If you have had prior surgery, no solid food 4 hours before study. Clear liquids and medication permitted

Soft Tissue Neck

Preparation is required only for studies that involve contrast. No solid food 4 hours before study. Clear liquids and medication permitted.

Orbits

Preparation is required only for studies that involve contrast. No solid food 4 hours before study. Clear liquids and medication permitted.

Pelvis

No solid food 6 hours before study. Clear liquids and medication permitted

Upper or Lower Extremity

Preparation is required only for studies that involve contrast. No solid food 4 hours before study. Clear liquids and medication permitted.

 

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