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Animal Neurology Exam Albert Lea MN

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.

D L Beenken Veterinary Svc
(641) 592-3101
309 N 3rd Ave W
Lake Mills, IA

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All Pets Veterinary Hospital & Equine Service
(763) 244-8683
26233 2nd St E # 300
Zimmerman, MN
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Monday 9:00 AM - 7:00 PM
Tuesday 9:00 AM - 7:00 PM
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Southfork Animal Hospital
(952) 491-0929
17445 Kenrick Ave
Lakeville, MN
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Monday 8:00 AM - 7:00 PM
Tuesday 8:00 AM - 7:00 PM
Wednesday 8:00 AM - 7:00 PM
Thursday 7:00 AM - 6:00 PM
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Saturday 8:00 AM - 12:00 PM
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Animal Daycare, Animal Flea Control, Animal Microchipping, Bird Vet, Declawing, Emergency Veterinary Clinic, Exotic Animal Vet, Holistic Veterinary Medicine, Reptile Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Surgery, Veterinary Vaccinations

Paynesville Veterinary Clinic
(320) 535-7251
303 Koronis Avenue
Paynesville, MN
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Monday 8:00 AM - 5:00 PM
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Animal Daycare, Animal Flea Control, Animal Microchipping, Bird Vet, Declawing, Emergency Veterinary Clinic, Equine Vet, Exotic Animal Vet, Holistic Veterinary Medicine, Large Animal Vet, Reptile Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary House Calls, Veterinary Medical Specialties, Veterinary Surgery, Veterinary Vaccinations

Animal Care Center
(218) 297-4516
6763 Foley Rd
Baxter, MN
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Monday 8:00 AM - 5:00 PM
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Thursday 8:00 AM - 5:00 PM
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Animal Flea Control, Animal Grooming, Animal Microchipping, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Surgery, Veterinary Vaccinations

New Hope Animal Hospital
(763) 250-7027
3709 Winnetka Avenue North
New Hope, MN
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Monday 8:00 AM - 7:00 PM
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Animal Boarding, Animal Daycare, Animal Flea Control, Animal Grooming, Animal Microchipping, Bird Vet, Declawing, Exotic Animal Vet, Holistic Veterinary Medicine, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Medical Specialties, Veterinary Surgery

Brookdale Animal Hospital
(763) 260-7040
3000 Brookdale Dr
Brooklyn Park, MN
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Parkview Cat Clinic
(651) 538-0940
837 Sibley Memorial Hwy
Mendota Heights, MN
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Monday 8:00 AM - 6:00 PM
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VCA Feist Animal Hospital
(651) 691-7439
1430 Marshall Ave
Saint Paul, MN
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Monday 8:00 AM - 8:00 PM
Tuesday 8:00 AM - 8:00 PM
Wednesday 8:00 AM - 8:00 PM
Thursday 8:00 AM - 8:00 PM
Friday 8:00 AM - 6:00 PM
Saturday 8:00 AM - 2:00 PM
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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

Como Park Animal Hospital & AfterHours Veterinary Care
(651) 317-8336
1014 Dale St N
St Paul, MN
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Monday 24 Hours
Tuesday 24 Hours
Wednesday 24 Hours
Thursday 24 Hours
Friday 24 Hours
Saturday 24 Hours
Sunday 24 Hours
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Animal Boarding, Animal Daycare, Animal Flea Control, Animal Grooming, Animal Microchipping, Bird Vet, Declawing, Emergency Veterinary Clinic, Exotic Animal Vet, Reptile Vet, Small Animal Vet, Spaying/Neutering, Veterinarians, Veterinary Dentistry, Veterinary Euthanasia, Veterinary Medical Specialties, Veterinary Surgery, Veterinary Vaccinations

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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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