With dilated cardiomyopathy (DCM) the heart muscle becomes thinner than normal, is weakened, and results in poor pumping ability, valve leakage and arrhythmia. This loss of the heartâs ability to properly contract is a common acquired disease of the heart in dogs.
Collateral Vessel Closure. Collateral vessels are abnormal blood vessels that connect the aorta with the pulmonary arteries. The aorta is a blood vessel that carries blood from the heart to arteries throughout the body. Pulmonary arteries are the vessels that transfer blood from the heart back to the lungs for oxygen.
Follow Following Unfollow Pending Disabled. A SecondsCount.org answered. The cardiovascular system is made up of the heart that pumps blood, the lungs that oxygenate blood, the arteries that carry oxygenated blood to all organs and tissues, and the veins that return blood to the heart.ollow Following Unfollow Pending Disabled. A SecondsCount.org answered. The cardiovascular system is made up of the heart that pumps blood, the lungs that oxygenate blood, the arteries that carry oxygenated blood to all organs and tissues, and the veins that return blood to the heart.