If you are looking for a new member for you family, who is vey loving and playful, perhaps this could be the puppy for you. They keep the "puppy" happy bouncy personality for their entire lives. As is demonstrated in some detail below, to advise primary care vets to waive echo exams for cavaliers, when there is no baseline x-ray for confirming if any enlargement has occurred, is, frankly, encouraging malpractice. The x-rays above, left show the increase in heart size of one cavalier over 5 years. We have two boys and two females. Shih-poo Shihpoo Puppies for sale in Texas.