Who let the dogs out?Great idea for perhaps doubling or more of the revenue stream of the 3.0! One more step towards a bright future. Echocardiography for Dogs & Cats. MedVet's Cardiology Echocardiography is the art of using ultrasound to view the structure and function of the heart in real time. Ultrasound is a highly informative, non-invasive and safe diagnostic test in both human and veterinary medicine. Not just dogs but cats and other animals!