One of the myriad heart problems which can affect your pet is a condition known as aortic stenosis or subvalvular aortic stenosis. With this condition, the blood flow is partially blocked as it leaves the left side of the heart (the left ventricle) into the aorta, which is the major blood vessel that transports blood to the rest of the dog's body. The obstruction can be a small nodule or a fibrous band of tissue, either of which is usually located just below the aortic valve, which is the dividing structure between the heart and the aorta.
Because of this obstruction, the dog's heart must work harder to pump an adequate supply of blood to the dog's body. Over time, this valve usually narrows even further, a condition known as stenosis. [...]
The American Staffordshire Terrier is not among the unhealthiest of breeds, but it does unfortunately suffer from some serious genetic conditions; some of these conditions were not recognized to affect the breed in a serious manner until recently. For example, more and more reports have been coming in of American Staffordshire Terriers (also called Amstaffs) suffering from a variety of problems classified under heart disease, specifically congenital heart disease. Congenital heart disease, or CHD, is a heart condition that is present when the pup is born; it is different from Acquired Heart disease, which is a heart condition that develops later in a dog's life. CHD is rare, but it can result in serious heart failure. [...]
There are many, many advantageous to owning a giant breed of dog. As a group these dogs tend to be very calm, steadfast, loyal and loving, plus they are also naturally effective guard and watch dogs. As with most types of dogs and dog breeds, there are also some disadvantages or at least concerns that owners need to be aware of. Most of these health concerns are directly related to the large size of the dogs and can be at least managed by good feeding, routine exercise and proper care for the dogs, especially in their growing stages. [...]