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• Arthroscopy

  This handout discusses arthroscopy, the insertion of a telescope-like camera into a joint. The joints commonly examined and treated using this technique, along with the benefits and risks of this procedure, are outlined.

• Aspergillosis in Dogs

  This handout discusses aspergillosis in dogs, an infection, growth, or allergic response caused by the Aspergillus fungus. If your dog becomes infected, it can be confined to the nasal passages (nasal aspergillosis), or it can spread throughout the body (systemic aspergillosis). The clinical signs, diagnosis, treatment, and prognosis of both conditions are outlined.

• Ataxia in Dogs

  Ataxia means incoordination within the nervous system. There are several forms of ataxia, depending upon where in the nervous system the abnormality occurs. The most common sign of ataxia is an abnormal, unsteady gait. Treatment of ataxia will be influenced by the root cause. Pain management, supportive care (such as anti-nausea medications), and creating a safe environment (e.g., preventing access to stairs) are cornerstones of ataxia treatment.

• Atlantoaxial Luxation

  This handout summarizes atlantoaxial (AA) luxation, a condition in which instability or excessive movement is present between the first two vertebrae within the neck. Atlantoaxial luxation can be caused by trauma, hereditary factors, or a combination of these two factors. The most common sign of AA luxation is neck pain, though severely affected dogs may lose their ability to breathe due to paralysis of the diaphragm.

• Atopic Dermatitis (Atopy) in Dogs

  This handout explains atopic dermatitis (atopy) in dogs, a form of allergic skin disease brought on by an abnormal response to allergens in the environment. The clinical signs, diagnosis, and treatment are outlined.

• Atovaquone

  Atovaquone is given by mouth and is used off-label to treat protozoal infections. Give as directed. Side effects are uncommon but may include stomach upset or skin rash. Do not use in pets that are pregnant. If a negative reaction occurs, contact your veterinarian as soon as possible.

• Atrial Fibrillation in Dogs

  Atrial fibrillation describes very rapid contractions or twitching of the heart muscle, specifically in the atria. Most of the time, atrial fibrillation in dogs occurs secondary to heart disease. In some large breed dogs, atrial fibrillation occurs as a primary heart problem. Most dogs who develop atrial fibrillation have underlying heart disease, so the signs that are observed are related to that disease and may include exercise intolerance, cough, or difficulty breathing. Treatment varies depending on whether the dog has primary or secondary atrial fibrillation. Your dog will need to be monitored on a regular basis.

• Australian Cattle Dog

  At first glance, the Aussie Cattle Dog looks like a commoner from the streets of Sydney. On closer inspection, you can see in his face an uncommon intensity of purpose, a true sense of self, and a keen intelligence. This is no ordinary dog; all of the romance of the Australian outback seems embodied in this diamond-in-rough.

• Australian Shepherd

  The Australian Shepherd must have a job to do in order to be content, whether it's an obedience routine, a chance to round up sheep, or helping with various household chores. This agile, quick-thinking dog can be a joy to owners who want a dog by their side in all things, but a challenge to those who expect the dog to entertain herself.

• Australian Terrier

  Happy, sunny, and feisty as all get-out, the Australian Terrier knows he has serious work to do: chase anything that moves, bark at anything that approaches, and keep you in stitches.