Endoscopic ultrasound (EU) is a method for examination and visualisation of upper and lower gastro intestinal tract and related organ with the help of sound waves. Along with examination it can be used for obtaining ultrasound guided needle biopsies also.
Upper GI EU
For this procedure your doctor will spray a local anaesthetic in your throat to prevent gagging. You may be administered a sedative intra venously to help you relax during the procedure. You will be asked to lie on a table on your left side. Your doctor will then insert a thin tube with a small ultrasound probe at its tip into your food pipe via your mouth. The tube will then be inserted into the stomach and then the duodenum. Using the probe your doctor can also examine the pancreas, liver and the gallbladder.
Lower GI EU
This procedure can be performed without anaesthesia. Your doctor will insert the endoscope into your large colon via the anus and rectum. If a suspicious mass is encountered your doctor will like to take a sample for further evaluation.
Indications for Endoscopic Ultrasound
Depending upon whether you are undergoing an upper or lower GI EU your doctor might ask you to not eat or drink 12 hours prior to the procedure or prescribe laxatives for a clear colon respectively. Not adhering to these instructions may lead to rescheduling of the procedure. Before the procedure your doctor would like to know the medication that you’ve received till then and may ask you to stop some medications like blood thinners to prevent excessive bleeding at the site from where the sample of tissue has been obtained from. Inform your doctor about any allergies to sedatives or anaesthetics beforehand. Your doctor would also like to know if you have any bleeding disorder or have a family history of the same. Another allergy that your doctor would like to know about is latex allergy.
EU is a relatively safe procedure. Complications seen are:
You are requested to arrange for someone to drive you home after the procedure as the effects of the sedative take time to wear off. You will be allowed to go home on the same day. if you experience any of the following you are requested to contact your doctor immediately
This post was last modified on July 25, 2023 2:52 pm
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