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Aortic Stenosis; Heart Valve Disease; Valvular Heart Diseases 

Arrhythmias; Atrial Fibrillation; Irregular Heartbeat; Tachycardia 

Aortic valve stenosis (AS) is a heart condition caused by the incomplete opening of the aortic valve.

A cardiac arrhythmia, also called cardiac dysrhythmia, is a disturbance in the regular rhythm of the heartbeat. Several forms of cardiac arrhythmia are life-threatening and a medical emergency. A rhythm of the heart at a rate of more than 100 beats/minute is considered a tachycardia.A more serious variety of arrhythmia is known as fibrillation. Fibrillation occurs when the heart muscle begins a quivering motion instead of a normal, healthy pumping rhythm. Atrial fibrillation is the quivering, ch...


Heart Valve Diseases as related to Arrhythmia