About us. Austin Veterinary Diagnostic Hospital. Voted the #1 veterinarians in Austin, Austin Veterinary Diagnostic Hospital is a locally owned veterinary clinic and animal hospital under one roof in Southwest Austin catering to routine and advanced care of your pets. Veterinary Technician ( Urgently Hiring ). Austin Veterinary Diagnostic Hospital (AVDH) is a locally owned veterinary hospital in Austin, Texas, with top notch services and equipmen...