Discrete subaortic stenoses, also known as discrete subaortic stenosis or DSS, is a medical condition characterized by the presence of an abnormal narrowing or constriction just below the aortic valve. The aortic valve is located between the left ventricle and the aorta, and it allows blood to flow out of the heart and into the body's main artery.
In the case of discrete subaortic stenoses, this narrowing creates an obstruction to the normal blood flow, causing the heart to work harder to pump blood through the narrowed area. This condition can lead to various cardiac problems and symptoms, including chest pain, shortness of breath, fatigue, fainting, and abnormal heart rhythms.
The term "discrete" refers to the isolated and localized nature of the stenosis, as it is typically a discrete subaortic membrane or ridge that causes the obstruction. It is considered different from other forms of subaortic stenosis, such as hypertrophic cardiomyopathy, which involves a thickened muscle beneath the aortic valve.
The severity of discrete subaortic stenoses can vary, ranging from mild to severe cases, and treatment options depend on the severity and impact on the patient's cardiac health. Treatment may include medications to manage symptoms, surgical removal of the obstructive membrane, or other procedures to repair the aortic valve or widen the narrowed area to restore normal blood flow. Regular monitoring and follow-up care are essential for individuals diagnosed with discrete subaortic stenoses to manage their condition effectively.
