Hospital Procedures Terms • • • • • • • • • • • • • • • • • • • Active immunity – the animal’s own immune system produces antibodies in response to an antigen by either natural or artificial means Anaphylactic shock – an exaggerated allergic response Antibody – proteins produced by the lymph system in response to a foreign organism or substance Antigen – any substance that induces an immune response by the body Calculus – a mineralized brown or yellow deposit on the teeth caused by the build up of plaque over time Gingivitis – the swelling and inflammation of the sensitive gums around the teeth Immunity – having resistance to a disease due to the presence of antibodies Neuter – the common term used to describe the removal of the male reproductive organs Orchiectomy (neuter) – the removal of the testes Ovariohysterectomy (spay) – the removal of the ovaries and the uterus Passive immunity – antibodies are received from another individual such as the mother before birth Plaque – a slippery white film on teeth that is composed of bacteria, food particles, and saliva Spay – the common term used to described the removal of the female reproductive organs Vaccine – a suspension of killed or modified microorganisms that stimulate an immune response when introduced into the body Introduction This unit focuses on some typical procedures that occur almost daily in a veterinary hospital such as spaying/neutering, dental care, bandaging, vaccinations, and dispensing medication. In most cases it is the responsibility of the technician or assistant to perform or assist with these tasks. Pet owners often have questions about the procedures or must be able to perform some tasks on their own, so the vet tech must be knowledgeable and able to clearly explain each procedure. • • • • • • • • • • • • • • • • • • • Spay/Neuter: Spaying or neutering is an operation that removes the reproductive organs of an animal. In the past spaying and neutering was done when the animal reached six months of age, but today the operation can be performed as early as six weeks. Spay is the common term for an ovariohysterectomy, which means to cut and remove the ovaries and uterus. When a female animal has this operation she is spayed, not “spade” or “spaded”. Neuter is the common term for orchiectomy which means removal of the testes. A male animal is neutered. Spaying & Neutering Truths There are many reasons to spay or neuter an animal, just one of those being to prevent overpopulation. There are people, however, who do not have their animals fixed for various reasons. Below is a list of excuses and a list of truths about spaying and neutering. The Excuses 1. It’s cruel to spay or neuter. 2. My pet will become fat and lazy. 3. It costs too much money. 4. I have a male. 5. It’s better for her to have one litter. 6. I have a purebred animal. 7. I want my children to witness the miracle of birth. 8. I will sell the puppies/kittens and make money. 9. My pet’s personality will change. 10. I am concerned The Truth 1. Spaying and neutering contributes to a longer and healthier life. 2. Spaying and neutering prevents overpopulation. 3. An altered pet is better for your family. 4. An altered pet is cleaner – no spraying or bleeding. 5. Spaying and neutering may prevent pets from roaming and getting into fights. Dental Care Dental care is just as important for pets as it is for humans. Both cats and dogs are susceptible to gingivitis and periodontal disease as well as other dental problems. Gingivitis is an inflammation and infection of the sensitive gums surrounding the teeth. Periodontal disease is an advanced stage of gingivitis where the gingiva separates from the tooth and decay of the tooth sets in. Signs of Poor Oral Health • Persistent bad breath • Difficulty eating • Loss of appetite • Inflamed or bleeding gums • Tartar • Excessive pawing at the mouth • Loose or missing teeth Keeping Teeth Clean Veterinary dentistry is very common in today’s veterinary hospitals. Dentistry is most often performed by the technician and is accomplished like human dentistry; the teeth are cleaned, polished and examined for abnormalities and disease. The main difference is that the patients are anesthetized for the procedure. The technician is responsible for educating clients on the process of brushing their pet’s teeth. Home Dental Care • Begin by handling your pet’s mouth. Get them to accept a finger being rubbed along the teeth and gums. • Next, use a small toothbrush or a specially designed finger brush to scrub your pet’s teeth. Only the outside of the tooth needs to be brushed. • There are several types of flavored pet toothpaste that your pet will enjoy. NEVER USE HUMAN TOOTHPASTE! It may make your pet sick if swallowed. • Brush your pet’s teeth at least twice a week. Develop a routine and make it fun for your pet. They will think they are getting a treat! • Feeding dry food and rawhide chews will cut down on the amount of tartar buildup. Bandaging • There are dozens of different bandaging methods • designed for specific areas of the body or specific • purposes. The two areas most commonly bandaged • are the abdomen and the legs. Abdominal Bandage The abdominal bandage is commonly called the bellyband. It is used after abdominal surgery to prevent the animal from licking the incision and to keep it clean. It is also used if an injury has occurred in the abdominal area. Its purpose then is to control fluid leakage, keep medication on the wound, and keep the wound as sterile as possible. The main goal when applying a bellyband is to keep it snug and smooth so that it is comfortable and less likely to slip loose. It is important not to apply it too tightly since this will cause patient discomfort. To apply a bellyband, start at the front of the abdomen and wrap towards the back overlapping the edges of the bandage. When you reach the back, wrap the bandage towards the front, continuing to overlap the edges. Each layer should be wrapped front and back at least one time. The bellyband consists of four layers: • a sterile non-stick pad • a layer of absorbent cotton • a layer of gauze • a final layer of adhesive bandage Main Goal When Applying a Bellyband • To keep it snug and smooth so that it is comfortable and less likely to slip loose. • It is important not to apply it too tightly since this will cause patient discomfort. • To apply a bellyband, start at the front of the abdomen and wrap towards the back overlapping the edges of the bandage. When you reach the back, wrap the bandage towards the front, continuing to overlap the edges. • Each layer should be wrapped front and back at least one time. Leg Bandages • Leg bandages are generally applied for the purpose of covering an open wound, lending support to the leg, or securing a catheter. • Leg bandages for wounds or catheters usually have four layers: • a non-stick pad • absorbent cotton • Bandaging Techniques • gauze • adhesive bandage Leg Bandages • Support leg bandages are mostly used on horses. • These bandages consist of a cotton or quilt layer and an elastic bandage. • Whenever a bandage is applied to a horse’s leg it should be started on the outside of the leg and wrapped towards to back of the leg. This will support the tendons and ligaments of the leg. Vaccination • Vaccinations are an important part of every animal’s health care program and are a large part of all veterinary practices. • Vaccinations lessen the chance that an animal will contract a disease. When and how often an animal is vaccinated will vary from vet to vet and their location within the country. Causes of Disease • Diseases are divided into two categories, infectious and non-infectious. Infectious diseases can be passed from animal to animal or from animal to human. • Diseases that are passed from animal to human are called zoonotic. Non-infectious diseases cannot be passed from one animal to another or to humans. Infectious Disease • Infectious diseases are caused by bacteria, viruses, fungi, rickettsiae, helminthes, protozoa, and arthropods. These diseasecausing agents can enter an animal through the skin, mouth, mucous membranes, lungs, or reproductive tract. • Infectious diseases can also be spread by either direct or indirect means. • Direct transmission occurs by skin contact, ingestion of an infected animal, inhalation, and sexual/reproductive contact. Indirect transmission uses vectors, vehicles, and fomites. • Vectors – mosquitoes, fleas, ticks, flies • Vehicles – equipment (brushes, buckets), instruments (needles, scissors), utensils • Fomites – water, air, soil, food Non Infectious Non-infectious diseases are caused by dysfunctions of one or more body systems, nutritional deficiencies, poisoning, physical injuries, or stress. Genetics and environment are also factors that cause non-infectious diseases. Immunity • Immunity is a function of the lymph system and protects the body from infection, disease and foreign bodies. • The immune system produces antibodies, which are specialized proteins designed to fight antigens. • Antigens are any foreign substances that induce an immune response. • Immunity can be established through passive or active means. Passive Immunity • Passive immunity is when an animal is given antibodies that have already been produced by another individual. Passive immunity only provides short-term immunity because the body breaks down the antibodies. Mothers give their newborns passive immunity through the placenta and by ingesting colostrum. Active Immunity Active immunity is when an animal produces antibodies by natural or artificial means in response to an antigen. Active immunity is produced naturally when an animal is exposed to a disease and builds antibodies in response. It is produced artificially when an animal is vaccinated and Vaccines • Vaccines are a substance that upon injection into an animal, stimulate an immune response. The two main types of vaccines are modified-live and killed. Modified-live vaccines • Modified-live vaccines are altered forms of specific antigens that are similar enough to the original disease-causing agent to cause a strong immune response without causing the disease. Killed Vaccines • Killed vaccines are disease-causing agents that are inactivated by heat, chemical or mechanical means. • Immunity developed with this vaccine is generally weaker than a modified-live vaccine. There is also a possibility that the animal is allergic to the compound used to destroy the disease-causing agent. Dog Diseases to Vaccinate • Bordetella (Kennel cough) • Coronavirus • Distemper • Infectious hepatitis • Leptospirosis • Lyme disease • Parainfluenza • Parvovirus • Rabies Cat Disease to Vaccinate • Feline calicivirus • Feline infectious peritonitis • Feline leukemia virus • Feline viral rhinotracheitits • Panleukopenia • Rabies Route of Administration Medication is administered in different ways depending on the type of medication and how fast the animal needs to get it. For example a pill for preventing heartworm can be given orally while a drug to prevent shock should be given IV (intravenously) since it is a life or death situation. Common routes • Oral • Nasal • SubQ – subcutaneous (under the skin) • IM – intramuscular (in the muscle) • IP – intraperitoneal (in the abdominal cavity) • IV – intravenous (in the vein) Most vaccinations are given SubQ or IM. Needles & Syringes • Needles and syringes come in many shapes and sizes. • It is important to be familiar with them so that the appropriate type and size are used for every procedure. • Needles come in several sizes that are referred to as gauges. • The smaller the gauge, the larger the needle. Gauge Needles • Large gauge needles (16,18,20) are used for horses, swine and cattle. Small gauge needles (21,22,23,25,27) are used for cats, dogs, and exotics. • Syringes also come in various sizes. The most common sizes are insulin, 1,3,6,12,20,35, and 60 ml. • The 1 ml syringes are called tuberculin syringes. • The smallest syringe is the insulin syringe. • Insulin syringes come with attached needles and are measured in increments called units. Tips • Luer-Lok tip – has a threaded tip to hold needle securely • Slip tip – this is the standard syringe tip • Eccentric tip – used to get a straighter angle for IV injections • Catheter tip – used to administer oral medications and liquefied food Dispensing & Labeling Medication • Dispensing medication requires knowledge of math and the laws that govern how a medication is packaged and labeled. Just as in human medicine, it is critical that medication is given in the right amount and that the directions for the client are clear and correct. Every medication label is required by law to include: 1. Name of veterinarian, address, phone, clinic name 2. Patient’s name and species 3. Name of medication, concentration, and number of units dispensed 4. Directions for use, including route of administration, and dosing interval ex.3x/day for 5 days 5. Date 6. Warning statement: For Veterinary Use Only