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  • Edetate disodium (EDTA) ophthalmic is used to dissolve calcium deposits in the corneas of the eyes in cats, dogs, and other animals. It must be specially compounded. This medication is used off label in veterinary medicine. EDTA ophthalmic comes in liquid drop suspension form.

  • Egg binding is not uncommon in birds and may be resolved easily if treated early; if not, the bird may become critically ill. Egg binding occurs when the female bird is unable to expel the egg from her body. Egg-bound birds are usually weak, not perching, often sitting low on the perch or on the bottom of the cage and are straining as if trying to defecate or to lay an egg. Treatment varies depending upon how sick the bird is, as well as the location of the egg and the length of time the bird has been egg bound.

  • Egg yolk peritonitis or coelomitis occurs when yolk from a developing egg, an incompletely shelled egg, or a ruptured egg is deposited within the body cavity, referred to as the abdominal coelom. The yolk material that is released into the coelomic cavity causes inflammation and fluid within the coelom. Affected birds often stop laying, become less active, have distended abdomens, and have difficulty breathing.

  • Eggshell membrane (ESM) is a supplement used to improve joint function, reduce pain, and support flexibility and mobility in dogs. It contains naturally occurring elements like collagen, glucosamine, and chondroitin sulfate, which are beneficial for joint health.

  • Ehrlichiosis is a tick-borne bacterial infection spread by the brown dog tick in North America. There appear to be three stages of disease: acute, sub-clinical, and chronic or clinical. This handout explains clinical signs, diagnosis, treatment, and prevention.

  • An electrocardiogram, or ECG, is a test that is used to assess the heart. More specifically, an ECG records the transmission of an electrical impulse through the heart. This test is not painful and is typically performed as an outpatient procedure. Analyzing the electrical impulses produced as the heart beats can help identify a number of different abnormalities within the heart.

  • An electrocardiogram (ECG, EKG) is a test that is used to assess the heart. More specifically, an ECG measures the transmission of an electrical impulse through the heart. This test is not painful and is typically performed as an outpatient procedure. Analyzing the electrical impulses produced as the heart beats can help identify a number of different abnormalities within the heart.

  • Elias Cancer Immunotherapy (ECI®) is a combination autologous vaccine and cell immunotherapy series of injections used to treat osteosarcoma in dogs. The autologous vaccine and cell therapy use the own patient’s cells for targeted treatment.

  • Elizabethan collars are designed to help prevent self-mutilation and as a supplementary therapy for feather-destructive birds. Collars should only be used when prescribed by an avian veterinarian, and they are not always safe for every bird.

  • An E-collar or cone may be needed after your cat has surgery or if she has a wound. It can prevent your cat from licking their wound or scratching a wound on their head. Your cat should wear the E-collar following the directions provided by your veterinarian. You may need to make a few adjustments in your home to ensure your cat does not get stuck in confined spaces. It is not recommended to let your cat outdoors while she is wearing the collar. Also, you may need to adjust her feeding station to assist with eating. If your cat will not tolerate the E-collar, discuss other options with your veterinarian.