Electrocardiogram
(EKG/ECG)
Why is the doctor performing this test?
To evaluate the heart's function by viewing its electrical
activity.
What is the test?
 An
electrocardiogram (ECG or EKG) is a painless, non-invasive
test whereby the doctor visualizes the electrical impulses
of your heart. The technician will place a total of approximately
10 electrode patches on the skin of your arms, legs and chest
(sometimes it is necessary to shave small areas of body hair
in order to get a good reading). These electrode patches are
hooked up to an electrocardiography machine which displays
the electrical activity of your heart.
This test can give your doctor the following information
about the functioning of your heart:
- Heart attack: EKGs show whether you
are currently having a heart attack or have had one in the
past and can help differentiate between chest pain (angina)
and a heart attack.
- Heart rate and rhythm: EKGs exhibit
how fast or slow your heart is beating, and if the beats are
regular or irregular.
- Heart structure: EKGs indicate the size and configuration
of the heart, and possibly any defects you may have been
born with.
Where
is the test performed? 
On the second floor of Sparrow Hospital in the cardiology
department Heart Center or on the third floor of the St. Lawrence
Campus.
How long does this test take?
Approximately 5 minutes.
How do I prepare for the procedure?
- There is no special preparation for
this procedure.
- Wear a two piece outfit
- The test is safe and painless
- Lie as still as possible during the test
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