Meet Our Team of Professionals

Our team of Internal Medicine Consultants are experienced specialists who are available during normal business hours. They provide advice on next steps for difficult cases, result interpretation and general case management. Find pathology consultants here.

Dr Patrick Byrne


Dr Patrick Byrne has always been excited to learn new things and improve his skills in different areas. He has continued to build on his knowledge by working in small animal practice across the Sydney region and interning at the University Veterinary Teaching Hospital Sydney. From 2015 - 2018, Patrick completed his ECVIM/FANZCVS accredited residency in Small Animal Medicine at the University Veterinary Teaching Hospital, Sydney. Following this, Patrick gained his specialist diploma by passing his boards in 2019.

Dr Sarah Helmond


Sarah is a Small Animal Specialist (Canine and Feline). She worked in private practice in Melbourne before undertaking an Internal Medicine Residency (small animal) at the University of Minnesota and achieved Diplomate status of the American College of Veterinary Internal Medicine in 2010. Sarah worked at a private specialist practice in California and since her return to Australia in 2015 in specialist practice. Sarah enjoys all aspects of internal medicine with a special interest in coagulation.

Dr Elissa Kadar

BVSc (Hon), DACVIM, Small Animal Medicine Specialist 

Elissa is a Small Animal Medicine Specialist (Canine and Feline). She has extensive experience, having practiced at Sydney University, UC Davis and a private referral practice in Sydney. Elissa is interested in all aspects of small animal medicine especially infectious and immune mediated diseases.

Dr Natalie Langer

BVSc, MACVSC, DACVIM, Small Animal Medicine Specialist 

Natalie is a Small Animal Medicine Specialist (Canine and Feline). She has extensive experience having practiced at Washington State University, Iowa State University and Brisbane Veterinary Specialist Centre. Natalie enjoys all aspects of internal medicine including gastroenterology, oncology, haematology and advanced diagnostic imaging.

Dr Graham Swinney

BVSc (Hons), DVCS, FANZCVSc (Canine Medicine), Medicine Specialist & Medical Affairs Veterinarian 

Graham is Small Animal Specialist (Canine) and when not on the phone taking calls, he is sharing his experience and expertise to veterinarians in Australia and New Zealand as a Medical Affairs Veterinarian. Graham enjoys all aspects of internal medicine, with interests in endocrinology, haematology, gastroenterology and urinary system disease.

How to request an Internal Medicine Consultation?

Via the Request a Consult icon on VetConnect Plus

Call 1300 44 33 99.

To get the most out of your consultation

If requesting a consult via VetConnect Plus, provide signalment and history when prompted.

If calling the 1300 number, please have the patient name and/or lab requisition number ready.