From ultrasound to echos. Dr. Hunter  is our expert at being able to find tumors, growths, stones plus much much more.Ultrasound diagnostics allow the veterinarian to noninvasively examine the internal architecture of organs. Common uses of ultrasound diagnostics include evaluations of the heart, called an echocardiogram, checking for bladder stones, pregnancy evaluation, masses in the abdomen, and liver problems. The ultrasound can also be used to biopsy masses in the abdomen or actual organs.