Degenerative Myelopathy (DM) is an inherited neurologic disorder of dogs characterized by gradual muscle wasting and loss of coordination typically beginning in the hind limbs.

Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC) is an inherited condition that affects the muscles of the heart. ARVC is associated with sudden cardiac death and congestive heart failure.

Aortic Stenosis (AS) is a condition in which there is a partial obstruction to the flow of blood as it leaves the left side of the heart (the left ventricle) through the main blood vessel (the aorta) that carries blood to the rest of the body. Ruled out by auscultation/echocardiogram

Cardiomyopathy is a heart condition that can cause sudden death in boxers. The condition primarily consists of an electrical conduction disorder that causes the heart to beat erratically, or to have an arrhythmia in the form of a ventricular premature contraction, due to a loss of the normal contracting abilities of the ventricles. Ruled out by yearly 24-hour Holter