How Is Scintigraphy Done?

Is a nuclear stress test better than an echo stress test?

During a regular stress echo test, patients who are unable to exercise are given dobutamine, a drug that increases the heart rate without exercise.

Also, while a stress echo uses an ultrasound to produce images of the heart, a nuclear stress echo uses a radioactive dye that is injected into the bloodstream..

Are bone scans accurate?

Ohta and colleagues compared PET and bone scan in evaluation of skeletal metastases in 51 patients with breast cancer and found that the sensitivity, specificity and accuracy of the bone scan were 77.7%, 80.9% and 80.3%, respectively.

Can a bone scan show arthritis?

Bone scans can help diagnose several problems, including: Broken bones, especially hips, or stress fractures, which can be hard to see on X-rays. Arthritis.

Can you eat before a bone scan?

Usually, you do not need special preparation before a bone scan. For example, you can eat and drink normally before your appointment. But tell your health care team about all medications you take. Medicines that contain barium or bismuth can affect the test results.

What is scintigraphy used for?

Scintigraphy is used to diagnose, stage, and monitor disease. A small amount of a radioactive chemical (radionuclide) is injected into a vein or swallowed. Different radionuclides travel through the blood to different organs.

How does bone scintigraphy work?

A bone scan is a nuclear medicine test. This means that the procedure uses a very small amount of a radioactive substance, called a tracer. The tracer is injected into a vein. It shows possible cancer in areas where too much or too little tracer has been absorbed by the body.

Why would a doctor order a bone scan?

Your doctor may order a bone scan if you have unexplained skeletal pain, a bone infection or a bone injury that can’t be seen on a standard X-ray. A bone scan can also be an important tool for detecting cancer that has spread (metastasized) to the bone from the tumor’s original location, such as the breast or prostate.

How long does nuclear medicine stay in your body?

How long does the injection stay in my system? The nuclear imaging agent is out of your system within 60 hours, but it is always decaying so it becomes minimal in a relatively short period of time.

What should I avoid after a nuclear stress test?

Do not eat chocolate or drink coffee, tea, soda, colas or other caffeinated beverages such Mountain Dew or energy drinks. If you are unsure, do not drink it. See the table below for more details. The table below also has a list of medications containing caffeine.

What does a bone scan tell you?

A bone scan is a nuclear imaging test that helps diagnose and track several types of bone disease. Your doctor may order a bone scan if you have unexplained skeletal pain, a bone infection or a bone injury that can’t be seen on a standard X-ray.

Is a bone density test painful?

The test usually takes less than 15 minutes. Bone density tests are non-invasive and painless. This means that no needles or instruments are placed through the skin or body. A central DXA uses very little radiation.

Can I drive after a bone scan?

After the bone scan After your bone scan, you may return to your usual activities. This includes driving. You should not feel any side effects from the tracer or the test itself. But your doctor may ask you to drink lots of water for the next 1 to 2 days.

What do I need to do before a bone scan?

Generally, no prior preparation, such as fasting or sedation, is required prior to a bone scan. Notify the radiologist or technologist if you are allergic to or sensitive to medications, contrast dyes, or iodine. If you are pregnant or suspect you may be pregnant, you should notify your health care provider.

What is a bone scan and how is it done?

A bone scan is an imaging test used to help diagnose problems with your bones. It safely uses a very small amount of a radioactive drug called a radiopharmaceutical. … During a bone scan, a radioactive substance is injected into a vein that is taken up by your bones. You’ll then be monitored for several hours.

How long does a bone scan take?

The scan itself can take up to an hour. The procedure is painless. Your doctor might order a three-phase bone scan, which includes a series of images taken at different times. A number of images are taken as the tracer is injected, then shortly after the injection, and again three to five hours after the injection.

Can a nuclear stress test damage your heart?

Although extremely rare, it’s possible that a nuclear stress test could cause a heart attack. Dizziness or chest pain. These symptoms can occur during a stress test. Other possible signs and symptoms include nausea, shakiness, headache, flushing, shortness of breath and anxiety.

What are the side effects of a bone scan?

A bone scan doesn’t cause any side effects or complications. Most of the radioactive tracer is eliminated from your body within 24 hours. Small amounts may remain for as long as three days. While the test can help identify problems in bone metabolism, it doesn’t necessarily reveal the reason for them.

How long does a full body scan take?

It takes pictures of the tracer in your bones. The technologist may ask you to change positions during the scan. This helps to get pictures from different angles. A whole-body scan takes about 1 hour to complete.