An ERCP in Northern Virginia is usually ordered for one reason: something is blocking or narrowing the ducts that carry bile and pancreatic fluid into your intestine, and it needs to be seen and treated at the same time. The full name is endoscopic retrograde cholangiopancreatography, which is why almost everyone calls it ERCP. If your physician has recommended one, you are probably being evaluated for a stone in the bile duct, a narrowed duct, jaundice, or an unexplained episode of pancreatitis. This page explains what an ERCP is, why it is used, what the day looks like, and what the risks are.
What is an ERCP
The National Institute of Diabetes and Digestive and Kidney Diseases describes ERCP as a procedure that combines upper gastrointestinal endoscopy with x-ray imaging to find and treat problems of the bile and pancreatic ducts. Those ducts are small drainage channels. The bile duct carries bile from the liver and gallbladder, the pancreatic duct carries digestive enzymes from the pancreas, and both empty into the first part of the small intestine through a shared opening called the ampulla.
During the procedure, a gastroenterologist passes a flexible scope through the mouth, down the esophagus, through the stomach, and into the duodenum, the same path taken during an upper endoscopy. A thin catheter is then threaded through the scope into the duct opening, contrast dye is injected, and live x-ray imaging shows the inside of the ducts. Anything narrowed, blocked, or leaking becomes visible.
What separates ERCP from a diagnostic scope is what happens next. Instruments pass through the same channel, so a stone can be removed, a narrowed segment can be opened, a stent can be placed, or a tissue sample can be taken, all in the same session. That is the reason the procedure exists.
Why an ERCP is ordered
The most common reason is a gallstone that has left the gallbladder and lodged in the common bile duct. Stones in that position cause pain, jaundice, and sometimes a serious duct infection called cholangitis, and they are a frequent trigger of pancreatitis. Our page on gallstones covers how those stones form and when they cause trouble.
Other situations that lead to an ERCP include a narrowing of the bile duct, whether from inflammation, prior surgery, or a tumor; a blockage causing jaundice that needs to be relieved with a stent; a bile leak after gallbladder surgery or liver surgery; recurrent pancreatitis with no clear cause; and the need to sample tissue or brush cells from inside a duct when cancer is suspected. In some of these, the ERCP is the treatment rather than the test.
Not every duct question needs one. Two non-invasive tests, magnetic resonance cholangiopancreatography, known as MRCP, and endoscopic ultrasound, can often answer a diagnostic question without entering the ducts. Professional gastroenterology guidance has moved firmly toward reserving ERCP for cases where treatment is expected or already known to be needed, rather than using it purely to look. If your physician recommends one, it is generally because there is something to fix.
How the ERCP procedure works
An ERCP is performed in a hospital setting, because it requires fluoroscopy, the live x-ray equipment that makes the ducts visible. Our physicians perform endoscopic procedures at VHC Health, Inova Fairfax Hospital, and Woodburn Endoscopy Center, and our office will tell you which facility your procedure is scheduled at and what to expect there.
You arrive fasting, an intravenous line is placed, and sedation is given. Because ERCP takes longer and requires you to stay still, it is commonly done under deeper sedation or general anesthesia rather than the lighter sedation used for routine exams. The general principles are the same ones described on our page about sedation for endoscopy. A member of the anesthesia or nursing team monitors your breathing, heart rate, blood pressure, and oxygen level throughout.
You are usually positioned on your stomach or your left side. The scope goes in through the mouth, the duct opening is located, and the catheter and contrast go in. From there the work depends on what is found. A small cut at the duct opening, called a sphincterotomy, is often made so instruments and stones can pass. Stones may be pulled out with a balloon or a wire basket. A plastic or metal stent may be left in place to hold a narrowed duct open. Most procedures run somewhere between 30 and 90 minutes, though a complex case can take longer.
Preparing for an ERCP
Preparation is straightforward and the details matter. You will be given fasting instructions, generally no food for about eight hours beforehand and no liquids for a defined window before arrival. Follow them exactly, because sedation given on a non-empty stomach carries a risk of aspiration and the procedure will be delayed or rescheduled if the instructions were not followed.
Tell us about every medication and supplement you take, with doses. Blood thinners and antiplatelet medications matter most here, because a sphincterotomy involves a cut and bleeding risk has to be planned for, and several of these drugs need adjusting days ahead. Diabetes medications, including the newer GLP-1 agonists, also need review. Report any allergy to contrast dye or iodine, any prior reaction to sedation or anesthesia, sleep apnea and CPAP use, and whether you are or may be pregnant, since fluoroscopy uses x-rays.
Arrange a ride. A responsible adult must take you home, and you should not plan to drive, work, or make important decisions for the rest of the day. Plan for a longer stay than a routine endoscopy: the NIDDK notes that recovery at the facility commonly runs two to six hours, and some patients are kept overnight for observation, particularly after a therapeutic procedure.
Recovery after an ERCP
You wake in a recovery area and are monitored until you are alert, stable, and able to take fluids. Bloating, nausea, and a sore throat are common in the first hours and pass on their own. Your physician or a team member will explain what was found and what was done, and you will normally get written instructions as well, because sedation makes spoken instructions hard to retain. Bring your escort into that conversation if you can.
Most people eat lightly at first and return to a normal diet the next day, unless told otherwise. If a stent was placed, you will be given a plan for when and how it comes out, which for a plastic stent is usually a follow-up procedure some weeks later. If tissue or cells were sampled, results take several days and you will be told how you will receive them.
Some symptoms need prompt attention rather than a wait-and-see approach. Call our office, or seek emergency care if symptoms are severe, for worsening or severe abdominal pain, especially pain that bores through to your back; fever or chills; repeated vomiting; a firm, distended abdomen; black or tarry stools or vomiting blood; or worsening yellowing of the skin or eyes. Post-procedure pain that is escalating rather than settling is the one to take seriously.
Risks of an ERCP
ERCP is a therapeutic procedure, and it carries more risk than a diagnostic scope. That trade-off is the whole reason it is reserved for situations where something needs treating. According to the NIDDK, complications occur in roughly 5 to 10 percent of procedures and include pancreatitis, infection of the bile ducts or gallbladder, bleeding, perforation of a duct or the duodenum, and reactions to sedation.
Pancreatitis after the procedure, called post-ERCP pancreatitis, is the most common of these. Reported rates vary widely with the patient and the reason for the procedure, from around 1 percent to over 13 percent in unselected patients, and higher in specific higher-risk groups. It usually shows up as abdominal pain within hours and most cases are mild and resolve with supportive care, though some require hospitalization. The American Society for Gastrointestinal Endoscopy recommends prevention strategies for patients at elevated risk, including rectal anti-inflammatory medication given around the time of the procedure, and endoscopists routinely use them.
Risk is not the same for everyone. It is shaped by your anatomy, why the procedure is being done, whether a sphincterotomy or stent is involved, your other medical conditions, and your medications. None of that is a reason to avoid a needed procedure. It is a reason to have the conversation, and a gastroenterologist can explain how your particular risk profile is being managed.
ERCP compared with other GI procedures
It helps to know where an ERCP sits among the tests you may have heard about. A colonoscopy examines the colon from below and does not reach the bile or pancreatic ducts at all. An upper endoscopy uses a similar entry path to an ERCP but looks at the lining of the esophagus, stomach, and duodenum rather than entering the ducts. Endoscopic ultrasound uses a scope with an ultrasound probe on the tip to image the pancreas, ducts, and surrounding structures from inside the GI tract, and it can sample tissue with a needle, but it does not open or stent a duct. MRCP is an MRI scan with no scope and no sedation, and it images the ducts without the ability to treat them.
In practice, these are often used in sequence. An MRCP or endoscopic ultrasound answers whether there is a stone or a narrowing, and an ERCP follows only if there is something to remove or relieve.
Schedule an evaluation with GC of NoVA
An ERCP is never a first step. It follows an evaluation, imaging, and a clear reason to enter the ducts, and that path starts with a conversation about your symptoms and history. Our first visit guide explains what that appointment covers. Diego I. Kuperschmit, MD completed an advanced endoscopic fellowship at Beth Israel Medical Center in New York City, where he trained in ERCP and endoscopic ultrasound, and he sees patients with pancreatic and biliary conditions at our practice.
Gastroenterology Center of Northern Virginia sees patients at our Arlington office at 1715 N George Mason Drive, adjacent to VHC Health, and our Annandale office at 3299 Woodburn Road in the Woodburn Medical complex near Inova Fairfax Hospital. Call Arlington at (703) 522-7476 or Annandale at (703) 560-6106, or visit gcofnova.com. Office hours are Monday through Thursday 8:30 a.m. to 5:00 p.m. and Friday 8:30 a.m. to 4:30 p.m.
Frequently asked questions about ERCP
What does ERCP stand for?
ERCP stands for endoscopic retrograde cholangiopancreatography. It combines upper gastrointestinal endoscopy with live x-ray imaging to examine and treat the bile and pancreatic ducts. The name describes the method: a scope reaches the duct opening in the small intestine, and contrast dye is injected backward, or retrograde, into the ducts so they show up on imaging.
How long does an ERCP take?
The procedure itself commonly runs about 30 to 90 minutes, and complex cases can take longer. Plan on a much longer day than the procedure time suggests. The NIDDK notes that recovery at the facility typically takes two to six hours, and some patients stay overnight for observation, particularly after a treatment such as stone removal or stent placement.
Am I awake during an ERCP?
No. An ERCP is done under sedation or general anesthesia, and because it takes longer and requires you to remain still, deeper sedation is used more often than for a routine colonoscopy or upper endoscopy. Your breathing, heart rate, blood pressure, and oxygen level are monitored throughout, and you will not be able to drive or return to work that day.
What are the risks of an ERCP?
The NIDDK reports complications in roughly 5 to 10 percent of procedures, including pancreatitis, infection of the bile ducts or gallbladder, bleeding, perforation, and reactions to sedation. Pancreatitis after the procedure is the most common. Your individual risk depends on your anatomy, your health history, and what is being done, and prevention measures are used for patients at elevated risk.
What is the difference between an ERCP and an endoscopic ultrasound?
Endoscopic ultrasound uses a scope with an ultrasound probe on the tip to image the pancreas, ducts, and nearby structures from inside the digestive tract, and it can take a needle sample. It does not enter the ducts. An ERCP enters the ducts and can remove a stone, open a narrowing, or place a stent. Endoscopic ultrasound is often used first to determine whether an ERCP is needed.
What symptoms after an ERCP mean I should call the office?
Call promptly for abdominal pain that is worsening rather than settling, especially pain that goes through to your back, and for fever or chills, repeated vomiting, a firm and distended abdomen, black or tarry stools, vomiting blood, or increasing yellowing of the skin or eyes. Seek emergency care for severe symptoms rather than waiting for office hours.
This article is for general education and is not medical advice. Whether an ERCP is appropriate, and what the risks are for you, depend on your health history, your imaging, and the reason the procedure is being considered. Talk with a qualified gastroenterologist about your symptoms, diagnosis, and treatment options.