Upper Endoscopy (EGD)


An endoscopy is a procedure that uses a tiny wireless camera to take thousands of pictures of the intestines to help detect any problems. The device used is an endoscope, which is a flexible, plastic tube with a tiny camera and light inside.

To prepare, patients should not eat anything 12 hours prior to the appointment. We will also give you a laxative to take the day before the procedure in order to clear the colon of any stool so that the clearest images can be obtained.

During the procedure, the patient will be sedated, and the tube is fed down the esophagus so the camera can take pictures of the digestive tract. These images are transmitted onto a computer monitor. This procedure allows the doctor to recognize any potential abnormalities inside of the small intestine, such as:

  • Polyps
  • Crohn’s disease
  • Gastrointestinal bleeding
  • Celiac disease
  • Cancer

After the procedure is complete, patients can generally return to their normal daily activities, but heavy lifting and strenuous activity are discouraged. We ask that patients refrain from drinking water for two hours after the procedure and not eat until four hours have passed.

Gastroenterology Associates

  • Gastroenterology Associates - 134 Puuhonu Way, Hilo, HI 96720 Phone: 808-969-3979

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