Atrial Fibrillation (AFib) is a common yet potentially serious heart rhythm disorder affecting millions of people worldwide. Often referred to as an irregular heartbeat, AFib can lead to major health complications like stroke, heart failure, and other heart-related conditions if left untreated.
In this guide, we’ll walk you through the symptoms of Atrial Fibrillation, what causes it, and the best available treatments to manage and control this condition.
Atrial Fibrillation is a type of arrhythmia where the heart’s upper chambers (atria) beat irregularly and often too fast. This disrupts the flow of blood and can cause clots, increasing the risk of stroke or heart attack.
AFib may occur occasionally, last for hours or days, or become a permanent heart rhythm problem if not managed properly.
Recognizing the symptoms of Atrial Fibrillation in adults is crucial for early diagnosis and treatment. These may include:
Rapid or irregular heartbeat (palpitations)
Fatigue and weakness
Dizziness or feeling lightheaded
Shortness of breath
Chest pain or discomfort
Reduced exercise tolerance
It’s also possible to have silent Atrial Fibrillation—a form without noticeable symptoms—which can still lead to serious health risks.
Understanding the causes of Atrial Fibrillation helps in effective prevention and management. Some common causes and risk factors include:
High blood pressure (hypertension)
Coronary artery disease
Heart valve problems
Overactive thyroid (hyperthyroidism)
Excessive alcohol or caffeine intake
Sleep apnea
Age over 60
Family history of arrhythmia
Chronic conditions such as diabetes, obesity, and prior heart surgery also increase your risk.
If you suspect an irregular heartbeat, your doctor may use several diagnostic tools to confirm Atrial Fibrillation:
Electrocardiogram (ECG or EKG): Records electrical activity of the heart.
Holter monitor: A wearable device that tracks heart rhythm over 24–48 hours.
Echocardiogram: Uses ultrasound to view heart structure and function.
Blood tests: To rule out thyroid problems or other underlying conditions.
The goal of Atrial Fibrillation treatment is to restore normal heart rhythm, control the heart rate, and reduce stroke risk. Treatment plans vary depending on the type and severity of AFib, but may include:
Antiarrhythmic drugs to maintain normal rhythm
Beta-blockers or calcium channel blockers to slow the heart rate
Blood thinners (anticoagulants) to prevent blood clots and stroke
A non-surgical procedure that uses electric shocks to restore a normal heart rhythm.
A minimally invasive treatment where heat or cold energy is used to destroy small areas of heart tissue causing the irregular signals.
Procedures like the Maze surgery or Left Atrial Appendage Closure (LAAC) may be used in more severe or persistent cases.
In addition to medical treatment, managing AFib naturally through lifestyle changes can greatly improve your heart health:
Eat a heart-healthy diet (low in sodium and saturated fats)
Avoid excessive caffeine and alcohol
Exercise regularly (with doctor’s guidance)
Manage stress through relaxation techniques
Quit smoking
Monitor and control blood pressure and diabetes
If you’re experiencing symptoms of Atrial Fibrillation or have risk factors, don’t delay. Early diagnosis and personalized treatment can reduce complications and improve your quality of life.
Take control of your heart health today. Our team of experienced cardiologists at ONUS HEART INSTITUTE specializes in diagnosing and treating Atrial Fibrillation with the latest medical technology and compassionate care.
👉 Click here to book your appointment with ONUS HEART INSTITUTE