Acquired heart defects - a group of diseases related to violation in the structure and function of the heart valves. They can occur in the form of seam valve - stenosis, as a damage or deformation of the valve - heart failure. What is dangerous about the heart diseases is that they do not develop acute and can progress over the years, can not manifest themselves for quite a long time or just slightly disturb. Therefore, special attention should be paid to the importance of regular surveys, to listening to any signals, which the body sends, even if they are regarded as unimportant at first sight. The most reliable method for diagnosis of acquired heart defects is a cardiac ultrasound - echocardioscopy.