Atrial Fibrillation: Diagnosis

Atrial fibrillation (AFib) is a type of heart arrhythmia that can have serious health consequences, including an increased risk of stroke. Therefore, it is important to diagnose AFib as early as possible to prevent complications. Here are some of the common methods used to diagnose AFib:

  1. Medical history and physical examination: Your doctor will ask you about your symptoms and medical history, as well as perform a physical examination to check your heart rate, rhythm, and blood pressure.
  2. Electrocardiogram (ECG): This is a non-invasive test that measures the electrical activity of your heart. During an ECG, electrodes are placed on your chest, arms, and legs, and the test records the electrical impulses that travel through your heart. An ECG can detect irregular heartbeats, including AFib.
  3. Holter monitor: This is a portable device that you wear for 24-48 hours, which continuously records your heart rhythm. This can help your doctor to detect any irregularities in your heart rate or rhythm that may be indicative of AFib.
  4. Event monitor: This is a portable device that you wear for several weeks or months, which allows you to record your heart rhythm whenever you experience symptoms. This can help your doctor to diagnose AFib that occurs infrequently.
  5. Echocardiogram: This is a non-invasive test that uses sound waves to create images of your heart. An echocardiogram can help your doctor to assess the structure and function of your heart, and to detect any abnormalities that may be contributing to your AFib.
  6. Blood tests: Your doctor may order blood tests to check for underlying medical conditions that may be causing your AFib, such as thyroid problems.

If you are diagnosed with AFib, your doctor may recommend further tests to assess your risk of complications, such as a stroke risk assessment. Treatment options for AFib include medications to control heart rate and rhythm, blood thinners to prevent clots and stroke, and in some cases, procedures such as cardioversion or catheter ablation to restore normal heart rhythm.