Q. What diagnostic tests are typically performed to evaluate palpitations and rule out heart disease?
Doctor Answer is medically reviewed by SecondMedic medical review team.
1. Electrocardiogram (ECG or EKG): This test is often the first line of defense. It records the electrical activity of your heart and can identify irregular rhythms or abnormalities that might be causing your palpitations.
2. Holter Monitor: If your palpitations are sporadic or don't occur during an office visit, your doctor might ask you to wear a Holter monitor. This portable ECG device records your heart's activity over a 24-hour period, providing a more extended view of your heart's performance.
3. Event Monitor: Similar to a Holter monitor, an event monitor is used for longer-term monitoring, typically for several weeks. You wear it and activate it when you experience palpitations, allowing your doctor to capture data during those specific episodes.
4. Echocardiogram: This ultrasound test provides detailed images of your heart's structure and function. It can help identify structural issues or abnormalities that could be linked to palpitations.
5. Stress Test: Sometimes, palpitations are related to physical activity or stress. During a stress test, your heart's performance is evaluated while you exercise on a treadmill or pedal a stationary bike. This can reveal abnormalities that might not be present at rest.
6. Blood Tests: Certain blood markers, such as troponin or B-type natriuretic peptide (BNP), can be measured to assess heart function and rule out conditions like a heart attack or heart failure.
7. Cardiac MRI or CT Scan: In some cases, more advanced imaging techniques like MRI or CT scans may be necessary to get a closer look at your heart's structure and blood vessels.
8. Electrophysiology Study (EPS): If your palpitations are suspected to be due to abnormal heart rhythms, an EPS may be performed. It involves threading catheters with electrodes into your heart to map its electrical activity and identify the source of the problem.
9. Tilt Table Test: This test is used when fainting or near-fainting accompanies palpitations. It involves lying on a table that's tilted to different angles to provoke symptoms while monitoring your heart rate and blood pressure.
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