Grade (I-VI) Characteristics I Softest audible cardiac murmurs; no discernible radiation heard only under ideal conditions. We don’t hear these. II Soft, focal cardiac murmur with minimal (1-2 rib spaces) radiation III Loud mur...

YES!! While the incidence is low, we do have heart worm in Arizona. There were 641 reported cases of Heartworm in Arizona in the last four years. More and more of these cases are in dogs with no travel history to areas with more pronounced Heartworm problems. ...

The Normal Heart Located approximately in the center of the chest cavity, the heart is a hollow organ that serves as a double pump. The heart wall is made up of a special type of muscle called myocardium. The function of the heart is to pump blood throug...