Sub-Aortic Stenosis

Sub-Aortic Stenosis

Is a disease that is present at birth and usually diagnosed as a heart murmur during a puppy’s vaccination checkups. It is caused by a narrowing of the left ventricular chamber; which makes it harder for the heart to push blood out of it. A series of events occur in relation to each other; the heart works harder, making the muscle thicken, which shrinks the size of the left ventricular chamber, resulting in a decrease in the amount of blood the chamber can hold. The coronary arteries that carry oxygenated blood to the heart are squeezed by the thick muscle, which cuts off blood flow, leading to the tissue dying and results in a heart attack. There are no treatments for this disease although a balloon catheter can be inserted as a temporary treatment. If your puppy is diagnosed with this disorder, it is important to notify the puppy’s breeder as they will not want to match the parents again and. The breeder can also be a valuable resource for you and your puppy

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