We provide specialized, full-service cardiovascular diagnostics & therapeutics:

  • Pacemaker implantation
  • In house ECG & Telemetry
  • Holters & Event Recorders
  • Diagnosis of thoracic diseases & effusion
  • ER management of congestive heart failure
  • Surgical correction of patent ductus arteriosus



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William Herndon, DVM

Diplomate, American College of Veterinary Internal Medicine (Cardiology) 

Following graduation from the College of Veterinary Medicine at Mississippi State University, Dr. Herndon completed internship training at the Ryan Veterinary Hospital of the University of Pennsylvania, Pa. He finished residency training in cardiology at the Veterinary Referral Center, Little Falls, N.J., and the Ryan Veterinary Hospital of the University of Pennsylvania, Pa. His areas of interest include hypertrophic cardiomyopathy, therapy of heart failure, diastolic dysfunction, and electrophysiology. 

Dr. Herndon is a board certified cardiologist and provides full service cardiovascular diagnostics and therapeutics-including pacemaker implantation, balloon valvuloplasty, and coil occlusion for patent ductus arteriosus. He is a featured consultant in cardiology on the Veterinary Information Network (VIN). 

Dr. Herndon is conducting clinical research to develop blood tests for dogs and cats that may aid in the diagnosis and treatment of heart disease. Before joining California Veterinary Specialists, he was in a large specialty practice in the Washington D.C. area.

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