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Bookmark or Share- What Is Afib? - Johns Hopkins MedicineAfib stands for atrial fibrillation (AF), which is a type of arrhythmia, or abnormal heartbeat. Afib is caused by extremely fast and irregular beats from the upper chambers of the heart (usually more than 400 beats per minute).
- Afib (Atrial Fibrillation): Symptoms & Treatment - Cleveland ClinicAtrial fibrillation (Afib) is an irregular heart rhythm that begins in your heart’s upper chambers (atria). Symptoms include fatigue, heart palpitations, trouble breathing and dizziness. Afib is one of the most common arrhythmias. Risk factors include high blood pressure, coronary artery disease and having obesity.
- Atrial fibrillation - Diagnosis and treatment - Mayo ClinicThe type used to treat atrial fibrillation depends on your specific symptoms, overall health and whether you're having another heart surgery. Atrioventricular (AV) node ablation. Heat energy is usually applied to the heart tissue at the AV node to destroy the electrical signaling connection.
- Atrial fibrillation - Symptoms and causes - Mayo ClinicDuring atrial fibrillation, the heart's upper chambers — called the atria — beat chaotically and irregularly. They beat out of sync with the lower heart chambers, called the ventricles. For many people, AFib may have no symptoms.
- What Is Atrial Fibrillation? - American Heart AssociationWhat Is Atrial Fibrillation? Normally, your heart contracts and relaxes to a regular beat. Certain cells in your heart, called the sinus node, make electrical signals that cause the heart to contract and pump blood. These electrical signals can be recorded using an electrocardiogram, or ECG.
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