CT Procedures and Preparation

(with Readi-CAT Oral Contrast) 

Exam Time Diet Required Special Preparation
CT Abdomen 2 hours NPO 12 hours before exam

1. Patient drinks first dose of oral contrast (1/2 bottle of Readi-CAT) two hours before exam time.

2. Patient drinks 2nd dose of oral contrast (1/2 bottle of Readi-CAT) one hour before exam time.

Ex:  Drink 1st dose at 0700

       Drink 2nd dose at 0800

       CT Abdomen at 0900

CT Abdomen & Pelvis or CT Pelvis 3 hours NPO 12 hours before exam

1. Patient drinks first dose of oral contrast (1 bottle of Readi-CAT) three hours before exam time.

2. Patient drinks 2nd dose of oral contrast (1/2 bottle of Readi-CAT) two hour before exam time.

3. Patient drinks 3rd dose of oral contrast (1/2 bottle of Readi-CAT) one hour before exam time.

Ex:  Drink 1st dose at 0700

       Drink 2nd dose at 0800

       Drink 3rd dose at 0900

       CT Exam at 1000

CT "IVP" 30 minutes No special diet No special preparation required
CT Head

30 minutes

No special diet No special preparation required
CT Sinus 15 minutes NPO 2 hours before CT No special preparation required
CT Facial Bones 30 minutes NPO 2 hours before CT No special preparation required
CT Orbits 30 minutes No special diet No special preparation required
CT Neck 30 minutes NPO 2 hours before CT No special preparation required
CT Chest 30 minutes NPO 2 hours before CT No special preparation required

CT Spine-

  C-spine

  T-spine

  L-S spine

30 minutes No special diet No special preparation required

Note: