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Persantine Stress Test Instructions
What is an IV Persantine Stress Test?
This test shows how well blood supplies your heart muscle after exercise and at rest. This test is an alternative procedure for patients who cannot exercise on a treadmill.
• An IV line is started to administer the Persantine and the Myoview.
• Persantine helps to expand the coronary arteries increasing the blood flow to the area. This effect is similar to what happens during vigorous exercise.
• Myoview (a radioactive isotope) is detected by X-rays and shows which parts of the heart muscle are receiving enough oxygen.
• Side effects of Myoview are rare and may include rashes or low blood pressure.
• Possible temporary side effects of Persantine may include: headache, dizziness, nausea/vomiting, chest discomfort.
• Electrodes will be placed on the chest so that the heart rate and rhythm will be monitored by an electrocardiogram (EKG).
• A special nuclear camera takes pictures of the heart.
• This test is usually administered in 2 phases, which takes approximately four (4) hours.
• This test must be ordered by the doctor.
Why is a Persantine Stress Done?
• This test will help the doctor to evaluate the patient's cardiac condition related to:
o Irregular heart rhythms
o Which areas of the heart are not getting enough blood and oxygen.
o How quickly the heart recovers after exercise.
What Preparation is Needed?
• Nothing to eat or drink for 6-8 hours prior to the test. Diabetics may, however, have clear liquids. (If you are diabetic, please consult your physician regarding your diet for the test.)
• Do not smoke or drink caffeine after midnight prior to the test.
• Continue taking your medications with sips of water.
• It is important for the patient to ask his doctor:
o how to adjust his insulin and food intake prior to the test if he is a diabetic
o if he should take his regular medications the morning of the test.
o if he is on a Beta Blocker, can he STOP taking this medication 72 hours before the test as this is recommended for best results
• If the patient is taking Aminophylline or Theodur, he/she must discontinue it for 48-72 hours prior to the test.
• The patient must notify his physician if:
o he is allergic to Theophylline or Persantine
o he has asthma, chronic lung disease or any heart conditions
• Do not apply lotions, oils or powders to the chest area.
• Wear a comfortable two-piece outfit.
• Bring your doctor's order or referral with you.
• Bring a list of your medications with you.
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