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Septic arthritis occurs when bacteria or another infectious agent is introduced into one or more joints, leading to painful inflammation. The signs of septic arthritis include heat, swelling, and pain in one or more joints. There is typically decreased range of motion in the affected joint(s), as well as fever, lethargy, and lack of appetite. This handout discusses causes, signs, treatment, and follow-up care.
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Serotonin is a neurotransmitter produced by the body that regulates mood, sleep, body temperature, pain perception, blood vessel constriction, gastrointestinal function, and even blood clotting. An animal with serotonin syndrome experiences excessive effects of serotonin. This handout reviews the causes, diagnosis and treatment.
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Sertraline is given by mouth and is used off label to treat behavior disorders in dogs and cats. Common side effects include tiredness, vomiting, diarrhea, lack of appetite, anxiety, irritability, sleeplessness, shaking, tremors, itchy skin, or panting. Do not use in pets that are allergic to it or other SSRIs, or pets that are using MAOIs, flea/tick collars, or cisapride. If a negative reaction occurs, please call your veterinary office.
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Adrenocorticotropic hormone (ACTH) is produced in the brain and regulates the production of cortisol. When blood cortisol levels are low, it is secreted to stimulate more production, and when blood cortisol levels are high (like from an adrenal tumor), ACTH production is suppressed. ACTH testing alone cannot be used to diagnose Cushing's disease but can help determine what type of Cushing's disease the patient has.
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Serum biochemistry measures the amount of enzymes, proteins, sugar, electrolytes, minerals, and hormones found in the liquid portion of the blood. Testing for these substances provides information about the body’s organs and tissues, as well as the metabolic state of the animal. This article provides general information on the most routinely measured factors in serum and common reasons for abnormal readings.
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Electrolytes are the salts and metallic components that are dissolved within the blood serum (serum is the liquid portion of blood). The electrolytes of greatest clinical importance are sodium, potassium, chloride, bicarbonate, phosphorus, and calcium. It is important to detect changes in electrolyte concentrations so that these changes can be treated before the situation becomes severe or life-threatening.
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Serum iron tests are indicated when the results from a complete blood count indicate that your pet is anemic and that the red blood cells are microcytic and hypochromic. Because blood is a rich source of iron, chronic external blood loss can lead to iron deficiency anemia. Tests to assess iron deficiency require a single blood sample that is sent to a veterinary referral laboratory. Additional tests such as serum biochemistry profile, urinalysis, and fecal evaluation are also used as screening tests to determine the cause or source of the chronic blood loss.
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Serum contains a large number of proteins that perform diverse functions which include providing cellular nutrition, defending against infections, playing a role in inflammation, and acting as hormones or enzymes. Protein electrophoresis is a specialized test that analyzes specific groups of proteins in the blood serum and measures how much of each group of protein is present. The results of the analysis help diagnose specific diseases, such as infection and some types of cancer.
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Ophthalmic autologous serum is a blood-derived product used to treat corneal ulcers in animals. Ophthalmic autologous serum is part of the blood and is collected directly from the patient. It is in liquid form.
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The "ancestral diet" for dogs and cats is a broad term for a feeding plan that generally mimics what a wolf or wild cat might consume in the wilderness. In practice, there is great variability in nutrients, ingredients, and safety considerations for food sold or produced as an ancestral diet. This article reviews these considerations, so that pet owners, along with their veterinary care teams, can make informed decisions for their pets.
