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An electrocardiogram (ECG) records the electrical activity of your heart. It takes about five to ten minutes, is painless, and gives your doctor useful information about your heart rhythm and signs of strain on the heart.
Common reasons to have an ECG
- Chest discomfort, palpitations (a racing or irregular heartbeat), dizziness or fainting
- Breathlessness that is new or getting worse
- High blood pressure or diabetes, as part of regular check-ups
- Before some surgeries, or as part of a health check-up package
What happens during the test
Small sticky pads are placed on your chest, arms and legs. You lie still for a short time while the recording is taken. You can go back to normal activities straight away.
When not to wait
Severe or sudden chest pain, especially with sweating, breathlessness or pain spreading to the arm or jaw, can be a heart attack. Go to the nearest emergency department immediately instead of booking an appointment.
This article is general information, not a diagnosis. Please see a doctor about your own symptoms.