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Internal Medicine
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Internal Medicine: Reasurringly Specialist 

The Sherlock Holmes of the Specialist Veterinary world, Willows’ Internal Medicine team, has over 70 years of collective experience in diagnosing and treating complex medical conditions.

Working together with our world-leading Specialist Radiologists and with access to the very best diagnostic imaging facilities, our Internal Medicine Specialists provide investigation, diagnosis and treatment for a range of conditions, including; gastroenterology, respiratory medicine, endocrinology, hyperthyroidism, infectious disease, oncology and immune-mediated disease amongst many more.  

Working in collaboration with our team of Specialists across 13 disciplines, including Oncology and Soft Tissue Surgery, and with a dedicated medicine nursing team, Willows’ ensures the best possible individualised care for each and every patient.

willows-cardiology-icon

Internal Medicine: Reasurringly Specialist 

The Sherlock Holmes of the Specialist Veterinary world, Willows’ Internal Medicine team, has over 70 years of collective experience in diagnosing and treating complex medical conditions.

Working together with our world-leading Specialist Radiologists and with access to the very best diagnostic imaging facilities, our Internal Medicine Specialists provide investigation, diagnosis and treatment for a range of conditions, including; gastroenterology, respiratory medicine, endocrinology, hyperthyroidism, infectious disease, oncology and immune-mediated disease amongst many more.  

Working in collaboration with our team of Specialists across 13 disciplines, including Oncology and Soft Tissue Surgery, and with a dedicated medicine nursing team, Willows’ ensures the best possible individualised care for each and every patient.

What Can I Expect if my Pet is Referred to an Internal Medicine Specialist?
Each patient referred to the Internal Medicine service will be examined by a Specialist and their medical problems will be discussed with the owner(s). Following this, an appropriate investigation plan will be discussed which may include lab tests, scans (e.g. ultrasound or CT), endoscopy i.e. camera studies (e.g. of the stomach, intestine, nose, airways, bladder), and other procedures (e.g. bone marrow biopsies, joint fluid sampling). After a diagnosis has been made, an appropriate treatment plan and the likely outcome (prognosis) will be discussed.
What Can I Expect if my Pet is Referred to an Internal Medicine Specialist?
Each patient referred to the Internal Medicine service will be examined by a Specialist and their medical problems will be discussed with the owner(s). Following this, an appropriate investigation plan will be discussed which may include lab tests, scans (e.g. ultrasound or CT), endoscopy i.e. camera studies (e.g. of the stomach, intestine, nose, airways, bladder), and other procedures (e.g. bone marrow biopsies, joint fluid sampling). After a diagnosis has been made, an appropriate treatment plan and the likely outcome (prognosis) will be discussed.
What are the Most Common Medical Conditions?
The Internal Medicine service sees cats and dogs with a wide range of problems including vomiting/diarrhoea, weight loss, excessive thirst/urination, anaemia, coughing, jaundice and nasal discharge.
What are the Most Common Medical Conditions?
The Internal Medicine service sees cats and dogs with a wide range of problems including vomiting/diarrhoea, weight loss, excessive thirst/urination, anaemia, coughing, jaundice and nasal discharge.
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What Facilities are Available at Willows?

Willows has access to a very high level of imaging (scanning) equipment, which is run by a team of highly trained Imaging Specialists. The Internal medicine team also use a large number of scopes to enable camera studies. Most importantly, the Internal Medicine Specialists are supported by a team of highly trained nurses who look after the patients. Willows has a large number of Specialists in other disciplines, including Cardiology, Neurology, Oncology, Emergency and Critical Care, Anaesthesia and Surgery, all of whom work with the Internal Medicine team to provide the best possible level of care to our patients.
willows-paw-vet-icon
What Facilities are Available at Willows?
Willows has access to a very high level of imaging (scanning) equipment, which is run by a team of highly trained Imaging Specialists. The Internal medicine team also use a large number of scopes to enable camera studies. Most importantly, the Internal Medicine Specialists are supported by a team of highly trained nurses who look after the patients. Willows has a large number of Specialists in other disciplines, including Cardiology, Neurology, Oncology, Emergency and Critical Care, Anaesthesia and Surgery, all of whom work with the Internal Medicine team to provide the best possible level of care to our patients.

Meet Our Specialists

Jon Wray

BVSc DSAM Cert VC MRI CBiol FRSB FRCVS

Clinical Director

RCVS Specialist in Small Animal Medicine (Internal Medicine)

Clinical Cardiologist

Mark Dunning

MA VetMB PhD CertSAM DipECVIM-CA MRCVS

Head of Internal Medicine

RCVS Specialist in Small Animal Internal Medicine
European Specialist of Small Animal Internal Medicine
Professor in Small Animal Internal Medicine

Isuru Gajanayake

BVSc CertSAM DipACVIM DipECVIM-CA DipACVN MRCVS

Head of Clinical Nutrition

RCVS Specialist in Small Animal Medicine (Internal Medicine)
American and European Specialist in Small Animal Internal Medicine
American Specialist in Small Animal Nutrition

Kirsty Roe

BVSc CertSAM DipACVIM DipECVIM-CA MRCVS

RCVS Specialist in Small Animal Medicine (Internal Medicine)
American and European Specialist in Small Animal Internal Medicine

Fergus Allerton

BSc BVSc CertSAM DipECVIM-CA MRCVS

European Veterinary Specialist in Small Animal Internal Medicine

Andrew Kent

BVSc DipECVIM-CA MRCVS

RCVS Specialist in Small Animal Medicine
European Veterinary Specialist in Small Animal Internal Medicine

Laura Bree

DipECVIM MVB MRCVS

RCVS and European Specialist in Small Animal Internal Medicine

Megan Work

BVMS MRCVS

Resident Internal Medicine

Internal Medicine – Find out more

To assist owners in understanding more about Internal Medicine we have put together a range of information sheets to talk you through the some of the more common Medicine conditions seen and treated by our Specialists.