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Animal Neurology Exam Hazel Crest IL

The four stages require a functional spinal cord and a functional brain, and they help us determine a lesion's severity. Reflexes tell us only where the lesion is localized.

Lincolnway Animal Hospital
(708) 576-5683
6363 Lincoln Hwy
Matteson, IL
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Hours
Monday 7:00 AM - 7:00 PM
Tuesday 7:00 AM - 7:00 PM
Wednesday 7:00 AM - 6:00 PM
Thursday 7:00 AM - 7:00 PM
Friday 7:00 AM - 7:00 PM
Saturday 7:00 AM - 2:00 PM
Sunday Closed
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Animal Boarding, Animal Daycare, Animal Flea Control, Animal Microchipping, Declawing, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Surgery

Mill Creek Animal Clinic
(708) 274-1500
12944 S. LaGrange Road
Palos Park, IL
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Please bring coupon with you at the first grooming appointment to receive credit.
Hours
Monday 7:00 AM - 7:00 PM
Tuesday 7:00 AM - 7:00 PM
Wednesday 7:00 AM - 8:00 PM
Thursday 7:00 AM - 7:00 PM
Friday 7:00 AM - 7:00 PM
Saturday 8:00 AM - 1:00 PM
Sunday Closed
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Animal Flea Control, Animal Grooming, Animal Microchipping, Bird Vet, Declawing, Exotic Animal Vet, Reptile Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Surgery, Veterinary Vaccinations

VCA Burbank Animal Hospital
(708) 316-8300
6161 West 79th St
Burbank, IL
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Hours
Monday 8:00 AM - 7:00 PM
Tuesday 8:00 AM - 7:00 PM
Wednesday 9:00 AM - 7:00 PM
Thursday 8:00 AM - 7:00 PM
Friday 8:00 AM - 5:00 PM
Saturday 8:00 AM - 2:00 PM
Sunday Closed
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Animal Boarding, Animal Daycare, Animal Flea Control, Animal Grooming, Animal Microchipping, Declawing, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Medical Specialties, Veterinary Surgery

Countryside Pet Clinic
(708) 310-4202
6555 Willow Springs Road Suite 3
Countryside , IL
Hours
Monday 8:30 AM - 12:00 AM
Tuesday 8:30 AM - 12:00 AM
Wednesday 8:30 AM - 12:00 AM
Thursday 8:30 AM - 12:00 AM
Friday 8:30 AM - 12:00 PM
Saturday 8:30 AM - 12:00 PM
Sunday Closed
Services
Animal Flea Control, Animal Microchipping, Declawing, Emergency Veterinary Clinic, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary House Calls, Veterinary Surgery, Veterinary Vaccinations

Merrick Animal Hospital
(708) 247-1024
9115 W. Ogden Ave
Brookfield, IL
Hours
Monday 8:00 AM - 7:00 PM
Tuesday 8:00 AM - 6:00 PM
Wednesday 8:00 AM - 6:00 PM
Thursday 8:00 AM - 7:00 PM
Friday 8:00 AM - 6:00 PM
Saturday 8:00 AM - 1:00 PM
Sunday Closed
Services
Animal Boarding, Animal Microchipping, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Surgery, Veterinary Vaccinations

Sibley Animal Hospital
(708) 872-7910
1020 Sibley Blvd
Calumet City, IL
Hours
Monday 8:00 AM - 12:00 PM
Tuesday 8:00 AM - 12:00 PM
Wednesday 8:00 AM - 2:00 PM
Thursday 8:00 AM - 12:00 PM
Friday 8:00 AM - 12:00 PM
Saturday 8:00 AM - 1:00 PM
Sunday Closed
Services
Animal Boarding, Animal Daycare, Animal Flea Control, Animal Grooming, Bird Vet, Declawing, Emergency Veterinary Clinic, Exotic Animal Vet, Holistic Veterinary Medicine, Reptile Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Docking, Veterinary Euthanasia, Veterinary House Calls, Veterinary Surgery, Veterinary Vaccinations

VCA Worth Animal Hospital
(708) 365-8904
7727 West 111th St
Palos Hills, IL
Hours
Monday 7:00 AM - 8:00 PM
Tuesday 7:00 AM - 8:00 PM
Wednesday 7:00 AM - 8:00 PM
Thursday 7:00 AM - 8:00 PM
Friday 7:00 AM - 8:00 PM
Saturday 8:00 AM - 3:00 PM
Sunday Closed
Services
Animal Boarding, Animal Daycare, Animal Flea Control, Animal Grooming, Animal Microchipping, Bird Vet, Declawing, Exotic Animal Vet, Reptile Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Medical Specialties, Veterinary Surgery

Animal Clinic of New Lenox
(815) 230-1594
1328 North Cedar Road
New Lenox, IL
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$25.00 of the cost of your first exam (for new clients only). Call now for details!

Also...March is Pet Dental Health Month. Schedule a dentistry for your pet and receive 15% off the cost of the medical procedure.
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Monday 8:00 AM - 7:00 PM
Tuesday 8:00 AM - 6:00 PM
Wednesday 8:00 AM - 7:00 PM
Thursday 8:00 AM - 7:00 PM
Friday 8:00 AM - 6:00 PM
Saturday 8:00 AM - 2:00 PM
Sunday Closed
Services
Animal Flea Control, Animal Grooming, Animal Microchipping, Declawing, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary House Calls, Veterinary Surgery

Darien Animal Clinic
(630) 297-7970
404 Plainfield Rd
Darien, IL
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Darien Animal Clinic is an advanced clinic featuring

* Digital Radiograph
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Hours
Monday 8:00 AM - 6:00 PM
Tuesday 8:00 AM - 6:00 PM
Wednesday 8:00 AM - 6:00 PM
Thursday 8:00 AM - 6:00 PM
Friday 8:00 AM - 6:00 PM
Saturday 8:00 AM - 2:00 PM
Sunday Closed
Services
Animal Flea Control, Animal Microchipping, Declawing, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Medical Specialties, Veterinary Surgery

VCA Berwyn Animal Hospital
(708) 391-0253
2845 S Harlem Ave
Berwyn , IL
Hours
Monday 24 Hours
Tuesday 24 Hours
Wednesday 24 Hours
Thursday 24 Hours
Friday 24 Hours
Saturday 24 Hours
Sunday 24 Hours
Services
Animal Flea Control, Animal Microchipping, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Medical Specialties, Veterinary Surgery, Veterinary Vaccinations

Making Sense of the Neuro Exam

The neurological exam seems to be one of the most confusing concepts in veterinary medicine. Let’s try to clarify things. To simplify, we will focus on the hind legs only.

One way to look at the neuro exam is to divide it into an assessment of “the four stages” and an evaluation of four reflexes.

The patellar reflex causes extension of the stifle. Photo courtesy of Dr. Phil Zeltzman.
The four stages require a functional spinal cord and a functional brain, and they help us determine a lesion’s severity. Reflexes tell us only where the lesion is localized.

Since I am a surgeon and not a neurologist, I talked to Todd Bishop, DVM, Dipl. ACVIM (neurology), of Upstate Veterinary Specialties in Latham, N.Y., to ensure the accuracy of the following information.

Decline Into Nociception

Patients might go through four stages between normalcy and being paralyzed with no deep pain:

  • First-stage patients may feel back pain. They can exhibit pain by vocalizing. Certain breeds, such as beagles, are especially good at expressing their feelings. Others may arch their back.
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  • As they get worse, patients may become ataxic or lose proprioception. When a patient knuckles, or doesn’t reposition a flipped paw within a couple of seconds, we say he has proprioceptive deficits.
    .
  • The next step is loss of conscious motor function. This means voluntary motion of the hind legs is weak, even if helped by a sling.
    .
  • The last step is loss of pain sensation, or nociception. It is tested by using a hemostat to pinch a toe. Though nobody enjoys performing this test, doing it correctly is critical. We are trying to cause a painful reaction by stimulating the periosteum of the phalanges.

When a deep pain sensation is present, the patient should have a voluntary reaction such as whining, trying to bite or moving away from the painful stimulus. A very stoic patient may show only dilatation of the pupils.

The order of these four stages is fixed. They occur in the same order and always return in the reverse order. Therefore, there is no need to crush a toe in a patient who has motor function. If he has motor function, he has deep pain by definition. Purists will argue that this is not true with a “spinal walker,” but let’s keep things simple.

The Spinal Cord

The cranial tibial reflex causes flexion of the hock. Photo courtesy of Dr. Phil Zeltzman.
Incidentally, these four stages correlate with the anatomy of the spinal cord. Nerve fibers involved with proprioception are located superficially in the cord. This explains why a mild lesion has mild effects on the patient.

A deeper lesion will affect the nerve fibers that control motor function. And a very severe lesion will apply pressure in the deepest nerve fibers—those that relay deep pain.

These four stages help us determine the severity of the lesion. A dog with proprioceptive deficits is mildly affected. At the other end of the spectrum, a dog with n...

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