A patient had multiple bilateral stenoses of the pulmonary artery and its branches with systemic hypertension associated with mild stenoses of the renal arteries. Cardiac catheterization and angiocardiography are important in the evaluation of the degree of stenoses and pulmonary hypertension. This case suggests that in a child or young person with hypertension and a loud precordial murmur, lesions other than coarctation of the aorta may be present. Unexplained systemic hypertension requires further investigative workup which is essential for proper treatment and long-term management of these patients.