Both heart and blood disorders can be serious and
interfere with the blood’s ability to deliver nutrients and oxygen to cells of
body. As with any dog ‘pit bulls’ should be checked for problems with
congenital heart disease and blood disorders.
Heart Murmur
Particular sound made by dysfunctional heart valves heard
with a stethoscope.
Valvular Diseases
Endocarditis – This is a
bacterial infection that affects young to middle aged large breed dogs with no
heart disease history.
Congenital Aortic Stenosis – This
disorder is the result of a narrowing of the outflow channel between the aorta
and the left ventricle.
Congenital Pulmonic Valve
Stenosis – Typically caused by a malformed pulmonary valve that causes a
partial obstruction of the normal blood flow to the lungs.
Canine Dilated Cardiomyopathy –
The prevention of a properly pumping heart due to a flaccidity of the heart
muscle that results in congestive heart failure.
Pericardial Disease
When diseased the protective sac surrounding the heart
and major vessels known as the pericardium restricts ventricles and can become
life threatening. Vomiting and labored breathing may alert to the disease
though there isn’t always symptoms present. The displaced or muffled sounds of
the heart can be detected through a stethoscope.
Patent Ductus Arteriosis
This birth defect is the second most common congenital
heart defect. An opening that connects the aorta to the pulmonary artery should
close once a puppy is born. Should this remain opened it will cause too much
blood to pass into the lungs.
Within a year of diagnosis approximately 60% of the dogs
afflicted will die. However if this disorder is caught early enough surgery can
be performed allowing the dog to lead a normal life. Symptoms to watch for are
coughing, difficulty breathing, lethargy and intolerance to exercise.
von Willebrand’s Disease
Potentially life threatening genetic disorder that causes
excessive bleeding can sometimes be seen in ‘pit bulls’. Often the first signs
of a problem are seen during dew claw removal and ear cropping. There are three
types of this disease. The first type is fatal and most often Scotties are
affected. The third type is most common and though not proven its thought to be
the most predominant type that affects ‘pit bulls’. Some carriers don’t suffer
from the disease so it’s important especially in potential breeders to have
blood tests done. These tests determine the range of genetic tendency. Puppies
as young as seven weeks can be tested.
Disclaimer – In
no way am I claiming to be an expert on these topics. These are only
informational articles written to help dog owners. It’s recommended that you
always do your own research and consult with your veterinarian for more
detailed information. (01-26-13)
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