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Hypertrophic Cardiomyopathy (HCM) is a serious disorder characterized by an enlarged heart, which can lead to weakness, fatigue and (potentially fatal) heart failure.
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Specifications
Breeds | Exotic Shorthair, American Shorthair, Munchkin, Scottish fold, Sphynx |
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Gene | |
Organ | |
specimen | Swab, Blood EDTA, Blood Heparin, Semen, Tissue |
Mode of Inheritance | |
Chromosome | |
Also known as | |
Year Published |
General information
Hypertrophic Cardiomyopathy (HCM) is a serious disorder characterized by an enlarged heart, which can lead to weakness, fatigue and (potentially fatal) heart failure. This specific variant of the disease is caused by a recessive mutation to the gene ALMS1. It is found in various breeds such as the American Shorthair, Exotic Shorthair, Munchkin, Scottish Fold and Sphynx.
Clinical features
HCM is a thickening of the heart muscle that can result in decreased heart function, heart murmur and abnormal heart rhythm. Clinical signs of heart failure due to HCM include shortness of breath, fluid behind the lungs, fatigue, exercise intolerance, loss of appetite, and sometimes sudden death due to cardiac arrest. Cats with HCM are more likely to develop thromboembolism (blood clots), especially in the hind legs. This causes bluish discoloration of the paw pads, cold paw pads, inability to use the hind legs and extreme pain. Euthanasia on humane grounds is often advised in cases of thromboembolism in the hind legs.
Additional information
References
Pubmed ID: 33639992
Omia ID: 2316