Treadmill GXT Stress Test
The treadmill GXT stress test evaluates the blood supply to your heart muscle during periods of exercise (stress) and rest. It measures your heart muscle's ability to function and can indicate if heart disease is present.
For the test, you raise your heart rate by walking or jogging on a treadmill. During this time, we constantly monitor the electrical signals from your heart using an electrocardiogram (EKG).
Your treadmill GXT stress test and EKG results help us diagnose if you have coronary artery disease. We use this information to create your personalized treatment plan that may include medications and lifestyle recommendations.
What to Expect During a Treadmill GXT Stress Test
Before the test begins, our medical assistant will bring you to a treadmill room and prepare you for the exercise portion of the test. We will collect your medical history, explain the test and answer your questions. At this time, you will need to sign a consent form.
Our medical assistant will use gel to place small plastic pads on your chest that connect to the electrocardiogram (EKG) monitor to measure the electrical signals from your heart. For men, we may need to shave small areas to remove chest hair and ensure the pads stick. We will also take a baseline blood pressure reading.
When the nurse arrives, you will begin walking on the treadmill at a slow pace. After every three minutes, the treadmill will increase in speed and steepness. During this time, the nurse monitors your EKG results. As you walk, if you develop any discomfort or need to stop, please tell the nurse immediately.
Once you complete the exercise portion of the test, we will remove the EKG pads. We will send a copy of the report to your referring doctor.
How to Prepare the Day of the Treadmill GXT Stress Test
The complete process for the treadmill GXT stress test will take about an hour. To prepare for your test, you should:
- Ask your doctor if you need to stop taking your medications, such as beta-blockers, before the test.
- Avoid food and drink four hours before your appointment. If you eat or drink, you will need to reschedule your test.
- Avoid caffeine, decaffeinated beverages or chocolate for 24 hours before your appointment. This includes coffee, tea, cocoa, soda pop and other caffeinated drinks.
- Bring or wear loose, comfortable clothing and shoes suitable for brisk walking or jogging. Avoid heels or sandals. Avoid wearing a dress, full slip or tight jeans. Wear pants or shorts and a loose-fitting top.
- Bring a list of your current medications or your medications in their bottles.
- Take any medications with sips of water unless otherwise instructed by your doctor.
- Talk to your doctor and reschedule your test if you are pregnant, may be pregnant or are a nursing mother.
Important Information About Cancelations and Rescheduling
If you need to cancel or reschedule your test, please call us at (321) 841-6444 at least 48 hours before your appointment time.If you do not show up for your appointment, or you do not give 48 hours' notice to cancel or reschedule, you may be charged a fee of up to $200 to cover the cost of the materials ordered for your test.
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