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Gary D. Norsworthy, DVM, DABVP (Feline)
Alamo Feline Center | San Antonio, TX

Dr. Gary D. Norsworthy is a world renowned veterinarian who has helped shape and revolutionize the field of veterinary medicine over the last 45 years. Here you will walk alongside him to discover new updates on hyperthyroid and renal disease diagnosis and treatment. Get unlimited access to case studies and other relevant resources, tips, and tools from Dr. Norsworthy and other Abaxis partners. And enjoy an exclusive web series, Norsworthy Talks. This back-stage pass will leave you with practical and ground-breaking tools and insight into veterinary medicine… and inspire you to elevate your standard of care and private practice protocols.

Interested in the in-house analyzers that help make Dr. Norsworthy's lab so efficient?  Fill out the form below to have an Abaxis representative contact you.

Dr. Norsworthy Case Studies

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Chronic Vomiting: Should We Ask A Cat to Live with it?

The longstanding belief that "some cats just vomit: is pervasive among cat owners and veterinarians. Dr. Cary D. Norsworthy discusses two cases that address the greatest of all feline myths: "Chronic, frequent, or recurrent vomiting is normal in some cats..." Read More

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Hyperthyroidism in Cats

Hyperthyroidism is the only significant thyroid disease of the cat. Dr. Gary D. Norsworthy explains why the total T4 is the best screening tool for all cats over eight years of age and for any cat with unexplained weight loss...Read More

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"Honest Doc, He was Normal Yesterday..."

You've heard it a hundred times. But it is possible for a cat to develop a very serious illness within 24 hours? Dr. Norsworthy shares 5 key points every veterinarian should consider when you hear, "Honest Doc, He was normal yesterday..." Read More

Surgical Management of Feline Suppurative Choelithias

In this informative article, Dr. Norsworthy breaks down this case management into 5 categories: Diagnostics, surgical treatment, Histopathology, Microbiology, and outcome. Join the discussion...Read More

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Understanding Radioactive Iodine (I131) Therapy

Treating adenomas caused by hyperthyroidism with I131 is the approach with the most pros and least cons. Dr. Gary D. Norsworthy shares 20 Q & A's on this highly effective treatment modality...Read More

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The Sarcoma That Wasn't

Some would say that Strips is on of the lucky cats that received two doses of adjuvanted vaccine  but did not get an ISS. However, the reality if that Bo was one of the "unlucky" ones that had the wrong generic makeup resulting in development of an induced sarcoma at the sire of a non-adjuvanted rabies vaccine...Read More


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Maxillomandibular Fixation in the Cat

Maxillomandibular Fixation (MMF) is a form of closed reduction resulting in normal occlusion for repair of fractures of the jaw and luxation of the temporomandibular joints. Dr. Norsworthy illustrates this intricate procedure and pros and cons of closed vs. open mouth fixation...Read More

Case Studies - Various Contributing Authors

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Urine Marking & Aggression: Is It Behavioral Or Is It Medical?

An older cat was presented to the veterinary behaviorist for ongoing urine marking within the home, weight loss and increased aggressive behaviors toward people and other cats. You might be surprised at what Dr. Debra Horwitz found next...Read More

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Feline Lower Urinary Obstruction: The Importance of In-House Electrolyte Monitoring

Terror, a 7 year old MN Domestic Short Hair cat presented with inappetance and stranguria, but he was a lot sicker than initially appeared. See why the Abaxis in-house lab was critical in the management of this painful case...Read More

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On-Site, Real Time Diagnosis Lead to Quick Recovery

Olivia the cat got a second chance at lie because Dr. Charles Dolin had answers and a treatment within an hour. Read more on this hairy tale ending...Read More

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Eosinophilia in a Cat

A 6 year old Male neutered DSH presented with a 1 month history of lethargy, anorexia, vomiting, diarrhea, and wight loss. Dr. Heidi Ward performed futher testing to find she had some options to weigh out. Check out her findings...Read More
 Notes and Resources
Below are materials provided by Dr. Gary D. Norsworthy and other Abaxis partners.



 Notes and Resources
Below are materials provided by Dr. Gary D. Norsworthy and other Abaxis partners.

Featured Product

 Featured Products
Kidney Profile Plus Rotor:
Diagnose and Monitor the Renal Patient

KPP - Why Your Customers Need It:

The KPP rotor is a cost effective way to completely evaluate the renal patient in a way the reference lab and other analyzers cannot.

  • Renal enzymes
  • Electrolytes
  • Total Protein and Albumin
  • Evaluation of the Acid-Base status of the patient (tCO2)

Monitor the renal patient:
  • When renal disease is diagnosed, regular renal evaluations (initially every 2-3 weeks) monitor treatment in house
  • Adjust medication dosing as needed while the patient and client are still at the hospital.
Evaluation of in-hospital renal patients:
  • Patients being treated in house on intravenous fluids require evaluation of renal enzymes, electrolytes and body albumin (every 12-24 hours)
  • Allows evaluation response to fluid therapy and treatment
T4/Cholesterol Profile Rotor:
Diagnose and Monitor Disease

Canine Patients
Canine patients older than 7 years of age should be screened for Hypothyroid Disease every 6-12 months. Low T4 causes other clinical disease. Test all Patients with chronic skin issues, ear infections, allergies, and weight gain.

Diagnosing Hypothyroidism
If levels are determined to be low during initial evaluation further diagnostic may be necessary. Performing point of care testing can rile out the disease and reduce the need for expensive additional diagnostics.

23% of senior dogs that appear healthy upon Physical examination have an underlying disease.

Why Wait? Your clients don't want to.
In an independent survey of 758 pet owners 70% of prime clients would choose a veterinarian that could deliver blood work in 15 minutes; and they'd pay additionally for this service.
27% of veterinarians felt that point of care blood work was important. This difference suggests to veterinarians that they cannot afford to wait. Why are you waiting?

Dr. Norsworthy's Lab
See what Dr. Gary D. Norsworthy uses in his lab. Click on the icons below to learn more.