A tropical climate can be observed in Nicaragua. Just as in the other Central American countries, there are two seasons: the dry and the raining season. During the dry season (January - June) there is virtually no rain and trees and plants start to dry out.
Causes of aortic valve regurgitation include: 1  Congenital heart valve disease. 2  You may have been born with an aortic valve that has only two leaflets (bicuspid valve) or fused leaflets rather than the normal three separate leaflets. 3  This puts you at risk of developing aortic valve regurgitation at some time in your life.
Causes of Aortic valve incompetence. Aortic valve incompetence is most often caused by a congenital heart defect, while acquired cases are due to endocarditis and other illnesses.o research the causes of Aortic valve incompetence, consider researching the causes of these these diseases that may be similar, or associated with Aortic valve incompetence: 1  Rheumatic fever. 2  Systemic lupus erythematosus. 3  Marfan's syndrome. 4  Ehler's Danlos syndrome.