Heart Murmur In Cats Sound. Typically, the heart makes two distinct noises as the heart valves closes. In cats, common causes include an overactive thyroid gland, high blood pressure, heart defects, and thickening of the heart muscle.
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Heart murmurs can occur in both dogs and cats. The murmur sound heard is usually associated with blood flowing through an unclosed hole in the heart wall chamber, past an obstruction within the heart, or backward through a valve. Murmurs are extra heart vibrations.
Heart murmurs can be ‘innocent’ or ‘physiological’, where no apparent disease is causing the murmur.
Heart murmurs may be a sign of a serious underlying condition such as hypertrophic cardiomyopathy and birth defects or functional, innocent or physiologic (no disease). Heart murmurs can occur in both dogs and cats. The heart is one of the most important organs of any living body. A heart murmur in cats does not necessarily need treatment at all.
