Monday, September 8, 2008

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EXERCISE STRESS TEST

 

 

What is an exercise stress test?

 

 

A stress test allows the doctor to learn how well your heart functions with activity

 

A stress test can detect heart problems that may not be present at rest 

 

An electrocardiogram, also known as and ECG or EKG, records the electrical activity of your heart while you walk on a treadmill or pedal a stationary bicycle.

 

 

Why has your doctor ordered a stress test?

 

 

Identify cause of chest pain, which can occur with blockages in blood flow to heart

 

Monitor heart function of people with known heart disease

Determine response to treatments and medications

Look for abnormal heart rhythms that may occur with exercise

Determine an exercise prescription for you

 

What information is obtained during a stress test?

 

 

Length of time that you were able to exercise

Onset of symptoms, such as chest pain or pressure, jaw pain or arm pain, or extreme short of breath with exercise

Response of heart rate and blood pressure to exercise

 

How do I prepare for a stress test?

 

 

Do not eat a heavy meal 2 hours prior to your test

Avoid caffeine and nicotine 12 hours prior to your test

Take your medications on the day of the test unless otherwise instructed

Do not apply lotions or powders to the chest

Avoid heavy activity on day of the test

Wear loose, comfortable clothing and walking shoes

 

What happens during the stress test?

 

 

You will be given an explanation of the test and asked to sign a consent form

Electrodes are placed on your chest and connected to an electrocardiogram (ECG) machine, which permits continuous monitoring of your heart rhythm

A nurse or exercise physiologist supervises your test

You will be shown how to use the treadmill or bicycle

Treadmill starts slowly at first and gradually increases in speed and incline.  A bicycle stress test may feel easy to pedal at first and then gets gradually harder

Your blood pressure is checked frequently, and your ECG is continually monitored

Report any symptoms, such as chest pain, shortness of breath, or dizziness

Exercise as long as you can since that increases the accuracy of the test

When the exercise portion is completed, your blood pressure and ECG will be monitored for several more minutes

 

When will I know the results of the stress test?

 

 

Final interpretation of the test results is completed by the cardiologist

Your referring physician or family doctor receive a report within 3 days