Diagnosing Atrial Fibrillation: When Your Heart's Rhythm is Off-Beat
Published: Jul 17, 2024
Diagnosing atrial fibrillation (AF) is crucial for preventing serious complications like stroke. But how do doctors detect this sneaky heart rhythm disorder? Let's explore the tests used to diagnose AF.
Contents
The Electrocardiogram (ECG)
The ECG is the most common test for diagnosing AF. It records the electrical activity of your heart, showing its rhythm and rate. During an ECG, sensors are placed on your chest and limbs. The test is quick, painless, and can immediately reveal if you're in AF at that moment. However, if your AF comes and goes (paroxysmal AF), a single ECG might miss it.
Holter and Event Monitors
For intermittent AF, longer-term monitoring might be necessary. A Holter monitor is a portable ECG device worn for 24 to 48 hours. It continuously records your heart's activity as you go about your daily life. Event monitors are similar but can be worn for weeks. You activate them when you feel symptoms, allowing the doctor to see what's happening with your heart during these episodes.
Advanced Diagnostic Tools
In some cases, more advanced tests might be needed. An echocardiogram uses sound waves to create a moving picture of your heart, helping doctors see its structure and function. This can reveal underlying heart problems that might be causing AF. For very intermittent AF, your doctor might recommend an implantable loop recorder. This tiny device is placed under the skin and can monitor your heart for up to three years.
Frequently Asked Questions
Blood tests can't diagnose AF directly but can identify related issues.
No, most AF diagnostic tests are painless and non-invasive.
It can be immediate with an ECG, or take weeks with long-term monitoring.
Key Takeaways
Diagnosing AF often involves piecing together information from various tests and your symptoms.
Concerned about your heart rhythm? Ask Doctronic about which AF diagnostic tests might be right for you.Related Articles
References
January CT, et al. 2019 AHA/ACC/HRS Focused Update of the 2014 AHA/ACC/HRS Guideline for the Management of Patients With Atrial Fibrillation. Circulation. 2019;140:e125-e151.
Hindricks G, et al. 2020 ESC Guidelines for the diagnosis and management of atrial fibrillation. European Heart Journal. 2021;42:373-498.
Always discuss health information with your healthcare provider.