Patellar luxation: This condition results in looseness of your kneecap, leading to it shifting out of put. Signs or symptoms include things like limping, licking the knee, and bending the knee at an abnormal angle. Cardiovascular disease. Yorkies are prone to coronary heart problems, including patent ductus arteriosus, (Trusted Source) https://stevenw742krw6.blog-eye.com/profile