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Atrial fibrillation is associated with an increased risk of heart failure, dementia, and stroke. [3] [12] It is a type of supraventricular tachycardia. [14] Atrial fibrillation frequently results from bursts of tachycardia that originate in muscle bundles extending from the atrium to the pulmonary veins. [15]
Mitral stenosis causes left atrial pressure to increase, which, if left untreated, can lead to ventricular dilation, hypertrophy, atrial fibrillation, and thrombus creation. Symptoms include shortness of breath on exertion, when lying flat or during the night (paroxysmal nocturnal dyspnea), and fatigue. [7]
The classic symptoms of acute limb ischaemia include: Pain - Usually starts distally in the extremity and will move proximally and increase in severity as ischemia worsens; Pallor - The limb may appear pale and mottled; Poikilothermia - Inability to maintain a constant core body temperature; Pulselessness or severely reduced pulses
Previous studies have reported that about 3.3 million people in the United States have atrial fibrillation (AFib) — a condition that causes the heart to beat in an irregular pattern or very rapidly.
Catheter ablation is a procedure that uses radio-frequency energy or other sources to terminate or modify a faulty electrical pathway from sections of the heart of those who are prone to developing cardiac arrhythmias such as atrial fibrillation, atrial flutter and Wolff-Parkinson-White syndrome.
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