What is AFib?
Atrial fibrillation, or AFib, is a type of irregular heartbeat caused by abnormal electrical signals in the heart. Instead of beating in a steady, regular rhythm, the heart may beat too fast, too slow, or irregularly. People often describe it as fluttering, racing, or skipped beats. AFib is the most common heart rhythm disorder, and understanding it can help you manage it and live a healthier life.
Symptoms of AFib can vary from person to person, and some people may not notice any symptoms at all. Common signs include palpitations, feeling your heart racing, fluttering, or skipping beats. You may feel unusually tired or weak even with normal activity. Dizziness, lightheadedness, shortness of breath, or mild chest discomfort can also occur. Even if symptoms are mild, AFib should be taken seriously because it can increase health risks over time.
AFib can have important consequences if left untreated. It increases the risk of stroke because the irregular heartbeat can cause blood clots. It can lead to heart failure as the heart may weaken over time, and it can reduce energy and make everyday tasks more difficult. Early recognition, treatment, and lifestyle changes can greatly reduce these risks.
Several factors may make AFib more likely or trigger episodes. Stress or anxiety, stimulants like caffeine or certain medications, alcohol or tobacco use, sleep issues such as sleep apnea, and other health conditions like high blood pressure, thyroid problems, or heart disease can all play a role in triggering AFib.
Managing AFib usually involves a combination of medical care and lifestyle choices. Regular check-ups with a cardiologist or healthcare provider are important. Medications can help control heart rhythm or reduce the risk of blood clots. Lifestyle adjustments, including healthy sleep, a balanced diet, exercise, and stress management, can make a big difference. Tracking your symptoms can also help guide treatment decisions and make it easier for your healthcare team to provide the best care.