Atrial fibrillation

A supraventricular tachyarrhythmia characterized by disorganized, very rapid atrial activation with loss of effective atrial contraction, resulting in an irregular ventricular response and increased risk of thromboembolism.

Causes

• Hypertension

• Coronary artery disease/heart attack

• Valve disease

• Hyperthyroidism

• Obstructive sleep apnea

• Diabetes

• Obesity

• Chronic kidney disease

• Lung disease