
A kidney, ureter, and bladder (KUB) study is an X-ray study that allows your doctor to assess the organs of your urinary and gastrointestinal systems. Doctors can use it to help them diagnose urinary disorders and causes of abdominal pain.
Can a Kub show a tumor?
This type of abdominal x-ray is used by urologists when a patient is experiencing unknown pain in their back, flank or abdomen. This diagnostic tool can help identify tumors, urinary blockages and stones in the kidneys, ureters, and bladder. KUB imaging can also be used as a guide by urologists when placing a ureteral stent or catheter.
Is Kub the same as abdominal X ray?
KUB - Abdomen : Patient Supine and Upright. The AP projection of the abdomen is sometimes called as KUB xray, because in this projection the Kidneys, Ureters and Bladder are included in the radiograph. It is also use as a preliminary evaluation radiograph or Scot films for some of special procedure. When an AP Projection of abdomen taken in ...
What does Kub mean in medical terms?
Kub is defined as the weight of 1000 grams. Kub is a unit of pressure in medical terms. It’s used for measurements of blood pressure and various other parameters in medical practice. Kub is a conglomeration of three letters.
What does Kub stand for medical?
KUB: Abbreviation for kidney, ureter, and bladder. What causes tooth decay? See Answer Could I have CAD? Tired of Dandruff?
What is a KUB test?
What is the KUB procedure?
Why do doctors order a Kub study?
What are the results of a KUB study?
Where does a KUB study take place?
Is a KUB study safe?
See 3 more
About this website

What can a KUB detect?
This diagnostic tool can help identify tumors, urinary blockages and stones in the kidneys, ureters, and bladder. KUB imaging can also be used as a guide by urologists when placing a ureteral stent or catheter.
Can KUB detect kidney problems?
A kidney, ureter, and bladder (KUB) X-ray is a diagnostic test that can detect kidney stones and diagnose urinary tract disorders.
Will KUB show constipation?
KUB is typically used to investigate gastrointestinal conditions such as a bowel obstruction and gallstones, and can detect the presence of kidney stones. The KUB is often used to diagnose constipation as stool can be seen readily.
What does a KUB ultrasound show?
A KUB ultrasound is an examination requested by your doctor to evaluate the urinary tract (which includes the kidneys, ureters, and urinary bladder). In the male patient, the prostate gland is also scanned. A KUB Ultrasound may be requested: To look for changes in the bladder wall.
Does KUB show liver?
It is used to evaluate the stomach, liver, intestines and spleen and may be used to help diagnose unexplained pain, nausea or vomiting. When used to examine the kidneys, ureters and bladder, it's called a KUB x-ray.
What can mimic kidney stones?
Patients who have kidney stones may experience blood in the urine (hematuria), foul-smelling urine, abdominal or pelvic pain, and frequent urination....Conditions that can be mistaken for kidney stones, sharing similar symptoms:Appendicitis or lower back pain.Urinary tract infection (UTI)Stomach flu or virus.
What does large amount of stool in colon mean?
People who experience chronic constipation or who have a history of bowel obstruction can develop something called megacolon. This is when the colon (large intestine) becomes overstretched. The large intestine will then hold more stool and therefore may mean a larger poop.
Can we eat before KUB?
No special patient preparation is necessary before undergoing a KUB radiographic procedure.
Can poop show up on xrays?
Radiography. Radiography, also known as plain film or X-ray, is a widely available, inexpensive, and easily obtained imaging test to assess for constipation. While the reported diagnostic sensitivity of radiography for the detection of constipation is 84%, the reported specificity is 72% [1].
Why would a doctor order a renal ultrasound?
When blood or urine tests expose the presence of abnormalities in the renal system, your doctor may recommend a renal ultrasound. In addition to detecting cysts, tumors and stones, ultrasound can: Reveal harmful abscesses, fluid collection, infection within or around the kidneys.
Can you see kidney failure on an ultrasound?
So, to the question of whether an ultrasound can tell if you have kidney failure, the answer is: Yes.
Can you see kidney disease on an ultrasound?
Ultrasound findings can be normal in patients with renal disease, especially in prerenal azotemia and acute parenchymal renal disease. Echogenic kidneys indicate the presence of parenchymal renal disease; the kidneys may be of a normal size or enlarged. Small kidneys suggest advanced stage chronic kidney disease.
How does stool look on xray?
3:165:50Everything you need to know about abdominal x-rays in 5 minutesYouTubeStart of suggested clipEnd of suggested clipThe valve really extends the whole way across the bowel confirming that this is dilated small bowelMoreThe valve really extends the whole way across the bowel confirming that this is dilated small bowel and there is no large bowel visible which confirms this is small bowel obstruction.
Why CT KUB is done?
CT scans of the kidneys can provide more detailed information about the kidneys than standard kidney, ureter, and bladder (KUB) X-rays , thus providing more information related to injuries and/or diseases of the kidneys.
X-Ray KUB Plain Test - Test Results, Normal Range, Cost And More - Lybrate
The KUB X-ray stands for a detailed X-ray of the three vital organs of human body - Kidney, Ureter and Bladder. The X- ray enables the doctor to examine these three organs of your urinary and gastrointestinal systems. This test depicts the relative size, formation and position of these organs, and ...
Is bowel preparation necessary before kidney-ureter-bladder radiography ...
Purpose: To assess whether bowel preparation prior to kidney-ureter-bladder (KUB) radiography and intravenous urography (IVU) are of value in improving visualization of the urinary system. Materials and methods: A total of 186 patients participated in this study. Thirty-nine patients with chronic constipation based on Rome III criteria and 147 patients with normal bowel habits were included.
What Is a Kidney Ureter Bladder X-Ray Study? - MedicineNet
A kidney, ureter, and bladder (KUB) X-ray is a diagnostic test used to detect kidney stones and diagnose urinary tract disorders. The test is usually done by injecting contrast media in your veins. The test is usually done on an outpatient basis and you can resume your daily activities as soon as you have finished the scans.
Kidney, Ureter, and Bladder X-Ray Study - Medical Dictionary
Kidney, Ureter, and Bladder X-Ray Study: Definition A kidney, ureter, and bladder (KUB) x-ray study is an abdominal x ray. Despite its name, KUB does not show the ureters and only sometimes shows the kidneys and bladder and, even then, with uncertainty. Purpose The KUB study is a diagnostic test used to detect kidney stones and to diagnose ...
Kidney, Ureter, and Bladder Study | Davis's Lab & Diagnostic Tests
Synonym/Acronym: Flat plate of the abdomen; kidney, urine, and bladder (KUB); plain film of the abdomen. Rationale To visualize and assess the abdominal organs for obstruction or abnormality related to mass, trauma, bleeding, stones, or congenital anomaly.
What is a KUB X-ray?
A KUB X-ray may be the first diagnostic procedure used to assess the urinary system.
Why do you need a Kub X-ray?
A KUB X-ray may be performed to help diagnose the cause of abdominal pain, such as masses, perforations, or obstruction. A KUB X-ray may be taken to evaluate the urinary tract before other diagnostic procedures are performed. Basic information regarding the size, shape, and position of the kidneys, ureters, and bladder may be obtained ...
What is the brain signal that lets urine out of the bladder?
The brain signals the bladder muscles to tighten, which squeezes urine out of the bladder. At the same time, the brain signals the sphincter muscles to relax to let urine exit the bladder through the urethra. When all the signals occur in the correct order, normal urination occurs.
Can a Kub X-ray be performed in a hospital?
A KUB X-ray may be performed on an outpatient basis or as part of your stay in a hospital. Procedures may vary depending on your condition and your doctor's practices.
How to evaluate a Kub?
The initial place to begin when evaluating a KUB is to evaluate the gas patterns within the lumen of the GI. There are a few clear pathological signs we are looking for here. The main things to keep in mind are if you are able to see any signs of either ileus or obstruction on the scan.
What is a KUB scan?
This type of scan is also sometimes called a KUB (kidney, ureter, and bladder study). This type of scan is often ordered given that it is fairly quick, easy, and cheap to obtain and can provide some insight regarding abdominal processes. With this in mind, it does have quite a few limitations, and often requires more follow-up imaging in order ...
What does GECKOS mean in X-rays?
Much like anything else, having an intentional approach to reading abdominal X-rays will serve you well. The acronym GECkoS can be used: Gas pattern (intraluminal): this refers to the gas pattern WITHIN the GI system. Extraluminal gas: this refers to gas OUTSIDE the GI system.
What orientation is used for abdominal X-rays?
The orientations used for an abdominal X-ray include: Supine: this is a common view that is taken which helps to assess for bowel dilation. These images are taken anterior to posterior. Upright: this second view can help visualize air/fluid levels, as well as any free air within the abdomen.
Where do gallstones appear on a KUB?
Visualization of gallstones on a KUB. ( source ). They appear in the gall bladder (GB), cystic duct (CD), and common bile duct (CBD).
What is the second view of the abdomen?
Upright: this second view can help visualize air/fluid levels, as well as any free air within the abdomen.
What is a KUB test?
The KUB study is a diagnostic test used to detect kidney stones and to diagnose some gastrointestinal disorders. The KUB is also used as a follow-up procedure after the placement of devices such as ureteral stents and nasogastric or nasointestinal tubes (feeding tubes) to verify proper positioning.
What is required for a KUB study?
A KUB study requires no special diet, fluid restrictions, medications, or other preparation. The patient is typically required to wear a hospital gown or similar attire and to remove all jewelry so the x-ray camera has an unobstructed view of the abdomen.
Does KUB require aftercare?
No special after care treatment or regimen is required for a KUB study.
Does KUB show ureters?
Despite its name, KUB does not show the ureters and only sometimes shows the kidneys and bladder and, even then, with uncertainty. Purpose. The KUB study is a diagnostic test used to detect kidney stonesand to diagnose some gastrointestinal disorders.
What is a KUB test?
During the test, X-ray images are taken of the structures of your digestive system, including the intestines and stomach. The KUB procedure can help your doctor diagnose certain gastrointestinal conditions, such as: 1 an intestinal blockage 2 foreign objects in the stomach 3 certain tumors 4 kidney stones and certain types of gallstones
What is the KUB procedure?
The KUB procedure can help your doctor diagnose certain gastrointestinal conditions, such as: an intestinal blockage. foreign objects in the stomach. certain tumors. kidney stones and certain types of gallstones. Your doctor can also use it after a procedure.
Why do doctors order a Kub study?
Doctors order a KUB study to identify abdominal pain that they haven’t diagnosed yet. People who have symptoms of gallstones or kidney stones may also be candidates for this study. Having a KUB study may help your doctor confirm a diagnosis.
What are the results of a KUB study?
Results of a KUB study may show injuries to your stomach or intestines, fluid in your abdominal cavity, or a blockage of your intestines. In addition, results may show the presence of kidney stones or gallstones.
Where does a KUB study take place?
This study typically takes place in a radiology department or center. An X-ray technician performs it. The procedure can be done on an outpatient basis, or your doctor may order it if you’re already staying in the hospital. Preparation for a KUB study is minimal.
Is a KUB study safe?
A KUB study is a safe and relatively harmless procedure that can give you and your doctor a look at your kidneys, ureters, and bladder. The study can help your doctor diagnose pain or a condition right away, or it may be a preliminary step toward a diagnosis.

Urinary System Parts and Their Functions
Facts About Urine
- Adults pass about a quart and a half of urine each day, depending on the fluids and foods consumed.
- The volume of urine formed at night is about half that formed in the daytime.
- Normal urine is sterile. It contains fluids, salts and waste products, but it is free of bacteria, viruses, and fungi.
- Adults pass about a quart and a half of urine each day, depending on the fluids and foods consumed.
- The volume of urine formed at night is about half that formed in the daytime.
- Normal urine is sterile. It contains fluids, salts and waste products, but it is free of bacteria, viruses, and fungi.
- The tissues of the bladder are isolated from urine and toxic substances by a coating that discourages bacteria from attaching and growing on the bladder wall.
Reasons For The Procedure
- A KUB X-ray may be performed to help diagnose the cause of abdominal pain,such as masses, perforations, or obstruction. A KUB X-ray may be taken toevaluate the urinary tract before other diagnostic procedures areperformed. Basic information regarding the size, shape, and position of thekidneys, ureters, and bladder may be obtained with a KUB X-ray....
Risks of The Procedure
- You may want to ask your doctor about the amount of radiation used duringthe procedure and the risks related to your particular situation. It is agood idea to keep a record of your past history of radiation exposure, suchas previous scans and other types of X-rays, so that you can inform yourdoctor. Risks associated with radiation exposure may be related to thecumulative number o…
Before The Procedure
- Your doctor will explain the procedure to you and offer you the opportunity to ask any questions that you might have about the procedure.
- Generally, no prior preparation, such as fasting or sedation, is required.
- Notify the radiologic technologist if you are pregnant or suspect you may be pregnant.
- Notify your doctor and radiologic technologist if you have taken a medication that contains bi…
- Your doctor will explain the procedure to you and offer you the opportunity to ask any questions that you might have about the procedure.
- Generally, no prior preparation, such as fasting or sedation, is required.
- Notify the radiologic technologist if you are pregnant or suspect you may be pregnant.
- Notify your doctor and radiologic technologist if you have taken a medication that contains bismuth, such as Pepto-Bismol, in the past four days. Medications that contain bismuth may interfere with...
During The Procedure
- A KUB X-ray may be performed on an outpatient basis or as part of your stayin a hospital. Procedures may vary depending on your condition and yourdoctor's practices. Generally, a KUB X-ray follows this process: 1. You will be asked to remove any clothing, jewelry, or other objects that might interfere with the procedure. 2. If you are asked to remove clothing, you will be given a go…
After The Procedure
- Generally, there is no special type of care following a KUB X-ray. However,your doctor may give you additional or alternate instructions after theprocedure, depending on your particular situation.