It sometimes occurs in conjunction with congenital heart problems. (breedingbusiness.com)
Of course, there are thousands of other reasons that doctors might recommend a toddler for surgery — from congenital heart problems to correcting an orthopedic problem. (verywellfamily.com)
Examples of congenital heart problems in dogs are patent ductus arteriosus, aortic stenosis and pulmonic stenosis. (theveterinaryexpert.com)