Arritmia
What Is Arrhythmia?
Arrhythmia refers to any irregularity in the heart’s rhythm. The heart relies on a precise electrical system to maintain a steady beat. When this system is disrupted, the heart may not pump blood as effectively.
In simple terms, arrhythmia is the medical name for an abnormal heartbeat. This can mean the heart beats too quickly (tachycardia), too slowly (bradycardia), or in an uneven pattern. These changes can lead to symptoms like fluttering in the chest, fatigue, or shortness of breath.
Understanding AFib
Atrial fibrillation (AFib) is one of the most frequently diagnosed arrhythmias. In AFib, the upper chambers of the heart (atria) beat rapidly and out of sync. Instead of contracting properly, they quiver, sending erratic signals to the lower chambers (ventricles). This can cause blood to pool and potentially form clots. If a clot travels to the brain, it can result in a stroke.
What Causes Arrhythmia?
Many factors can interfere with the heart’s rhythm, including:
- Structural changes in heart tissue
- Electrolyte imbalances
- Certain medications
- Disruptions in the heart’s electrical pathways
- Emotional stress, pain, or anxiety
Sometimes, the exact cause isn’t clear. However, several risk factors may increase the likelihood of developing arrhythmia:
- Aging
- Exposure to air pollution
- Alcohol consumption
- Family history of heart rhythm issues
- Gender (men may be more prone than women)
- Ethnicity
- Smoking
- Surgeries involving the heart, lungs, or esophagus
- Use of recreational drugs
Signs and Symptoms of Arrhythmia
Arrhythmias don’t always cause noticeable symptoms, especially in early stages. Some people may occasionally feel an irregular heartbeat or fluttering sensation. Over time, these episodes may become more frequent.
More serious symptoms that require medical attention include:
- Chest discomfort
- Difficulty breathing
- Dizziness or fainting
- Blurred vision
- Excessive sweating
- Anxiety or confusion
- Weakness or feeling lightheaded
- Brain fog or trouble concentrating
If left untreated, arrhythmia can lead to serious complications like stroke, heart failure or heart attack. It’s important to speak with a healthcare provider if you notice any of these signs.
Treatment Options for Arrhythmia
According to the American Heart Association, many arrhythmias are harmless and don’t require treatment. However, more serious types—like AFib—may need medical intervention. Common treatment strategies include:
- Managing blood pressure
- Maintaining healthy cholesterol levels
- Taking prescribed medications
- Undergoing procedures such as cardioversion, catheter ablation, or surgery
- Regular physical activity
- Eating a heart-healthy diet
- Quitting smoking
- Achieving and maintaining a healthy weight
Learn about how electrophysiologists treat arrhythmia.