What Is a Nuclear Stress Test?

by admin Health Care

Trips to medical clinics, especially when it involves undergoing tests, cause a lot of stress and anxiety to many patients. Not only are they anxious about the results of the tests, but they are also worried about how much pain and discomfort are involved. A nuclear stress test is a common medical procedure that may intimidate patients. However, understanding what it is and what to expect during the procedure can help ease worries and lessen stress. So, does a nuclear stress test hurt? This is one of the common questions cardiology doctors may get from patients when they are told to have one.

What Is a Nuclear Stress Test?

A nuclear stress test is a type of stress test that uses imaging to see how the blood flows from the heart into the heart muscle while the patient is at rest and during exercise. It is usually ordered by a cardiologist and done by a doctor or radiology technologist.  A small amount of radioactive material called a tracer will be injected into the patient’s bloodstream. This will make the blood vessels and heart muscle more visible when a special camera takes pictures of the blood flow in and around the patient’s heart.

Doctors usually use this test to diagnose coronary artery disease. But there are also other things it can do. It can:

  • assess how well the heart muscle is pumping
  • identify any blocked arteries
  • determine if the heart has any damage
  • check if a person has had a heart attack
  • determine if a person’s heart is capable of managing physical activities
  • determine the reason for chest pain 

Does a Nuclear Stress Test Hurt?

Concerns about pain and discomfort are normal, and knowing that the procedure does not cause any significant amount of pain aside from the prick of the needle when the tracer is injected into the bloodstream is a great relief to many patients.

One might experience muscle fatigue, breathlessness, chest discomfort, dizziness, and shortness of breath during the exercise part of the test. Patients should inform the healthcare provider at once if they start experiencing any of these.

If your doctor has ordered a nuclear stress test for you, feel free to tell him how you feel. Knowing what to expect and discussing your anxieties with your doctor will do a lot of good in calming your nerves.

What to Expect on the Day of the Procedure

  1. A health provider will insert an IV into your arm, and the tracer will be injected into the bloodstream. If you feel cold at first, that is normal.
  2. Electrodes will be placed on your chest, arms, and legs.
  3. These electrodes will be connected to an EKG machine.
  4. Your blood pressure will also be monitored.
  5. You will be asked to stay still as you lie on a table and then exercise on a treadmill or stationary bike after that. You will have to continue exercising with increasing intensity until your heart has reached a target rate. However, this should not be a cause for worry because you can stop anytime you feel uncomfortable or when you experience bothersome symptoms.

How to Prepare for the Procedure

  1. Your doctor may tell you not to eat, drink, or smoke before the test. You may also be required to avoid caffeine the day before and on the day itself.
  2. Since some medicines may affect test results, it would be wise to inform your doctor of the medications you are presently taking just in case there is a need to stop taking some of them temporarily. However, do not stop taking any medications without your doctor’s consent or advice.
  3. If you have asthma, make sure to bring your inhaler to the clinic with you.
  4. Wear comfortable clothes and walking shoes. Refrain from applying lotion, oil, or anything on your skin on the day of the nuclear stress test.

Post-Test Information

You may be asked to rest for a while after the test as the clinic continues to monitor your heartbeat and breathing. You can go back to your regular activities afterward unless your healthcare provider tells you otherwise. 

Remember to drink a lot of water to help get the tracer out of your system.

Common Concerns 

Radiation exposure

A nuclear stress test usually takes two to four hours, and the amount of radiation patients are exposed to is usually low and safe. Besides, the benefits of accurate diagnosis that the stress test can give far outweigh the minimal risks associated with radiation.

Driving after the test

Most patients can drive themselves home, but if you are unsure, ask a family member or a trusted friend to take you to the clinic and bring you home afterward.

Take the Nuclear Stress Test as Your First Step to Better Health

It is normal to feel stressed, worried, and anxious if your cardiologist orders a nuclear stress test. But your new knowledge about what it is, what to expect, the fact that it does not hurt, and its many benefits will hopefully empower you to make the right decision to put your fears aside and schedule your much-needed nuclear stress test today.