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  1. Atrial fibrillation - Symptoms and causes - Mayo Clinic

    Oct 3, 2025 · Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm. An irregular heart rhythm is called an arrhythmia. AFib can lead to blood clots in the heart. The condition …

  2. Atrial fibrillation - Diagnosis and treatment - Mayo Clinic

    Atrial fibrillation (AFib) may be diagnosed when a health checkup is done for another reason. To diagnose AFib, the healthcare professional examines you and listens to your heart.

  3. Atrial flutter - Symptoms and causes - Mayo Clinic

    Aug 29, 2024 · A person can have both atrial flutter and AFib. Atrial flutter may not cause symptoms. But some people may have a pounding, rapid heartbeat and chest pain. Fainting or …

  4. Atrial septal defect (ASD) - Symptoms and causes - Mayo Clinic

    Jan 23, 2024 · An atrial septal defect (ASD) is a hole between the heart's upper chambers. The heart problem is present at birth. It is a type of congenital heart defect.

  5. Atrial tachycardia - Symptoms and causes - Mayo Clinic

    Overview Atrial tachycardia is an irregular heartbeat, called an arrhythmia. It's a type of supraventricular tachycardia. During an atrial tachycardia episode, the heart beats more than …

  6. Atrial fibrillation ablation - Mayo Clinic

    Apr 9, 2024 · Atrial fibrillation ablation is done to fix and prevent an irregular and often very fast type of heartbeat called AFib. You may need this treatment if you have a fast, fluttering …

  7. Atrial tachycardia - Diagnosis and treatment - Mayo Clinic

    Living with atrial tachycardia? Connect with others like you for support and answers to your questions in the Heart Rhythm Conditions support group on Mayo Clinic Connect, a patient …

  8. Flecainide (oral route) - Side effects & dosage - Mayo Clinic

    Flecainide is used to prevent or treat irregular heartbeats (arrhythmias) such as paroxysmal supraventricular tachycardia (PSVT) and paroxysmal atrial fibrillation/flutter (PAF).

  9. Atrial septal defect (ASD) - Diagnosis and treatment - Mayo Clinic

    Jan 23, 2024 · A doctor trained in heart problems present at birth usually provides care for people with an atrial septal defect. This type of healthcare professional is called a congenital cardiologist.

  10. Tachycardia - Symptoms and causes - Mayo Clinic

    Dec 15, 2023 · Jeff Olsen: Dr. Kusumoto says atrial fibrillation decreases the heart's blood pumping efficiency and puts a patient at higher risk for blood clots, heart failure, and stroke. In …