Often asked: What Does A Chemical Stress Test Feel Like?

What to Expect: Nuclear Stress Testing

The majority of stress tests performed by Heart House physicians are done in the office. Nuclear stress testing is very safe and can help your cardiologist diagnose heart disease accurately. The tracer allows the Nuclear camera to take pictures of the blood flow to the heart muscle.

Preparing for Your Nuclear Stress Test

You should not eat or drink anything caffeinated or decaffeinated for at least 24 hours prior to the procedure, with the exception of a light meal 2 hours prior to the procedure. All medications should be taken as usual, unless otherwise directed by our office or your physician.

During the Procedure

We can conduct your stress test by having you walk on the treadmill or by administering a medication that causes your body to believe it is exercising. It is normal to feel tired, short of breath, and leg heaviness while exercising; however, these side effects will subside within a few minutes.

Results and Next Steps

Some patients may be referred for a cardiac catheterization, which is a procedure to see if there are any blockages in the arteries that supply the heart with blood. Normal results from a nuclear stress test are typically a good indicator that there is no significant cardiovascular problem.

How long does a chemical stress test take?

While the exercise stress test takes about 10 to 15 minutes, part one of the test takes about 30 to 45 minutes in total.

Are chemical stress tests painful?

During the test, you should not feel any pain, but you may feel a pinch when the IV is inserted and a flushing sensation when the medication is injected.

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Do you feel bad after a nuclear stress test?

After your nuclear stress test, you should not experience any side effects or symptoms; however, any symptoms such as dizziness, chest pain, or shortness of breath should be reported to your doctor or care team right away. The radiotracer will gradually dissipate from your body over several days.

Can I drive home after a chemical stress test?

You won’t be able to eat or drink anything until the medicine used to numb your throat wears off, which usually takes 30 to 60 minutes. You won’t be able to drive yourself home after your test, so make arrangements ahead of time.

What are the 4 signs your heart is quietly failing?

The following are some of the signs and symptoms of heart failure:

  • Shortness of breath ( dyspnea ) when you exert yourself or lie down.
  • Fatigue and weakness.
  • Swelling ( edema ) in your legs, ankles, and feet.
  • Rapid or irregular heartbeat.
  • Reduced ability to exercise.

What do they give you for a chemical stress test?

The most widely available pharmacologic agents for stress testing are adenosine, dipyridamole ( Persantine ), and dobutamine. Regadenoson, an adenosine analog, has a longer half-life than adenosine and is therefore administered as a bolus rather than continuous administration.

How accurate is a chemical stress test?

The diagnostic accuracy of CT angiograms increased to 96 percent in a subgroup of 111 patients with very high-risk disease as identified on traditional angiography, compared to 80 percent for stress testing, when researchers looked at test performance in a subgroup of 111 patients with very high-risk disease as identified on traditional angiography.

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Is a chemical stress test safe?

A nuclear stress test is generally safe, and complications are uncommon. However, as with any medical procedure, there is a risk of complications, which include: Allergic reaction. You may be allergic to the radioactive dye injected during a nuclear stress test, though this is uncommon.

Why do they numb your throat for a stress test?

An exercise stress test measures how your heart responds to the stress of physical activity. You will be given a sedative as well as medicine to numb your throat (local anesthetic) to make you feel more comfortable during the procedure.

What should I avoid after a nuclear stress test?

If you are unsure, do not drink coffee, tea, soda, colas, or other caffeinated beverages such as Mountain Dew or energy drinks. See the table below for more information, as well as a list of medications that contain caffeine.

Why would a doctor order a nuclear stress test?

Your provider may order this test to determine how well a treatment (medicines, angioplasty, or heart surgery) is working and if you are at high risk for heart disease or complications.

How long does the dye from a nuclear stress test stay in your system?

The nuclear imaging agent is out of your system in 60 hours, but it is constantly decaying, so it becomes minimal in a relatively short period of time.

Does a chemical stress test show blockages?

u201cMost people believe a stress test identifies heart blockages, but it doesn’t,u201d says Aristotelis Vlahos, M.D., director of Riverview Medical Center’s Cardiac Catheterization Lab. u201cIt looks at blood flow to the heart muscle and determines whether blood flow is adequate or not.u201d

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Is a chemical stress test the same as a nuclear stress test?

A chemical stress test involves injecting a radionuclide into the patient’s arm or hand while they are resting, which causes the body to respond in a similar way to exercise by speeding up the heart rate or dilation of the arteries.

How much does a chemical stress test cost?

An EKG costs around $50, while an exercise stress test can cost up to $175.

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