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Dilated cardiomyopathy (DCM) occurs when there is a progressive reduction in systolic myocardial contractility. Decreased myocardial contractility affects the removal of blood from the ventricle at systole. A larger volume of blood increases the end diastolic pressures causing dilation of the ventricle and the development of '''eccentric hypertrophy'''.  
 
Dilated cardiomyopathy (DCM) occurs when there is a progressive reduction in systolic myocardial contractility. Decreased myocardial contractility affects the removal of blood from the ventricle at systole. A larger volume of blood increases the end diastolic pressures causing dilation of the ventricle and the development of '''eccentric hypertrophy'''.  
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==Signalmnt==
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==Signalment==
 
In the dog, giant and large breeds (e.g. Dobermann Pinscher, Boxer, Great Dane) are most at risk. Male > Females and risk increases with age.  
 
In the dog, giant and large breeds (e.g. Dobermann Pinscher, Boxer, Great Dane) are most at risk. Male > Females and risk increases with age.