1. to acquire by force of arms; win in war: to conquer a foreign land. 2. to overcome by force; subdue; vanquish: to conquer an enemy. 3. to gain or win by effort, personal appeal, etc.: conquered the hearts of the audience. 4. to gain a victory over; surmount; master; overcome: to conquer one's fear.
1 If your heart isn't working efficiently, you may feel aortic regurgitation symptoms including fatigue and short of breath.  Aortic regurgitation can develop suddenly or over decades. It has a variety of causes, such as rheumatic fever or infection.
aortic regurgitation. the flow of blood from the aorta back into the left ventricle during diastole, resulting from a failure of the aortic valve to close completely. Also called aortic insufficiency. Effects of aortic regurgitation. Abnormal back flow of blood from the aorta through the aortic valve. In developing countries the valvular defect is mainly due to as complication of rheumatic fever; in Western countries the defect is usually congenital.