Ventricular outflow tract obstruction refers to a condition where there is a narrowing or complete blockage of the blood flow from the heart's ventricles. There are several synonyms for this condition, including subvalvular aortic stenosis, pulmonary valve stenosis, and hypertrophic cardiomyopathy. Additionally, terms such as aortic coarctation, tetralogy of Fallot, and transposition of the great arteries can also cause ventricular outflow tract obstruction. These conditions can lead to symptoms such as chest pain, shortness of breath, and fainting and may require medical intervention such as surgery or medications. Therefore, it is important to recognize the various synonyms for ventricular outflow tract obstruction to ensure a proper diagnosis and treatment plan.