肺动脉瓣狭窄，血管造影，犬

Angiogram of a dog in left lateral recumbency. Injection of contrast material through a catheter in the right ventricle shows enhancement of the right ventricular outflow tract and pulmonary artery. Note a narrowing at the level of the pulmonic valve leaflets, consistent with valvular pulmonic stenosis. PA, pulmonary artery; PS, pulmonic stenosis; RV, right ventricle.