How do I prepare for the
Do not eat or drink any
products containing caffeine for 12 hours before the test.
This includes coffee, tea, coca cola and chocolate. Do not
eat anything for at least 4 hours before the test. If you
are diabetic however you may take medication for your
diabetes and you may eat normally as you would. You may
drink water at any time but you must not smoke for 3 hours
before the test. You should wear comfortable clothing and
low-heeled shoes or trainers so that you can walk on the
What will happen during
We will normally ask you to
walk on a treadmill or if you are unable to do so we will
give you a medicine to simulate exercise. Your heart rhythm
will be monitored with an ECG and your blood pressure will
be recorded at several times. The radioactive marker will be
injected through a vein approximately 1 minute before you
stop exercising. You will then be asked to lie flat on an
imaging table while a special camera circles slowly around
your chest for about 30 minutes. You will be asked to stay
in the department and not to exercise and 4 hours later the
test will be repeated without any exercise. The data from
your test is processed.
What will the test
result tell me?
We would hope to have your
report the following day and the result will tell you the
presence or extent of heart disease
What happens next?
Depending on what the
scan reveals our doctors may recommend treatments such as
medication, or an invasive procedure.