Pediatric Gastrointestinal Imaging Question: Are HIDA scans with CCK still the best way to look at gallbladder ejection fraction, or is there a better more effective way? My child has had right side pain for 12 weeks worse when riding in the car especially and with movement as well. Normal bloodwork, normal CT scan, normal MRI, normal colonoscopy and endoscopy, 2 normal ultrasounds. She is 14 years old. Thank you! Answer: No answer yet.