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Equine Medication Techniques Section three Large Animal Clinical Procedures Pg. 187.
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Transcript of Equine Medication Techniques Section three Large Animal Clinical Procedures Pg. 187.
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Equine Medication Techniques
Section threeLarge Animal Clinical ProceduresPg. 187
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Oral Medications
Feed additives Dose syringes
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Large dosing syringe
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Open the lips first
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While parting the lips, place the syringe into the lateral far point of
the mouth.
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Proper position of the oral syringe
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No, No! Don’t place the syringe over the incisors.
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Another No, No. Avoid delivering the medication in the interdental space.
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Deworming with a tube paste
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Deworming
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Balling Gun: Used to administer large boluses. Not always a good choice as it is
very large and must be placed over the base of the tongue deep far back into the mouth.
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Stomach pump: Very common method of delivering medications or liquids
from a bucket or plastic jug.
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Stomach Pump Usage Never force liquids against back
pressure into the horse. The capacity of an avg. 1000 lb
horse’s stomach is 4 to 5 gallons. Do not exceed this volume.
Typically, 1 gallon of fluid is the max given at one dosing, though this may be repeated at 30 minute or 1 hour intervals in urgent situations.
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Nasogastric Tube
Never place without lubrication. Mark proper position with tape and
attach to halter. Cap tubes because some clinicians
believe that air can enter and cause bloat.
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Various Plastic Clear Nasogastric Tubes
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The smaller end goes into the nose.
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Nasogastric Tubes
Can be left in place for 24 to 48 hours. Be sure to secure them to the halter with adhesive tape.
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Be sure that the horse can not get his hoof into the tube.
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Another view
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Proper position of the tube is marked with adhesive tape or a sharpie at the
level of the nostril.
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Removing the Nasogastric Tube
Always crimp the tube by folding it over double during removal.
Slowly pull out 12 inches at a time. Beware of nosebleeds. Be watchful of the horse as it may
buck it’s head.
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Why crimp the tube?
Often there is liquid material inside the tube. This liquid can be inhaled back into the lungs of the horse and they can develop aspirate pneumonia.
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Parenteral Injection Techniques
LACP, page 205
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FDA
Did you know that the FDA has a say-so regarding injection sites for horses?
ALWAYS read the directions listed on the label of all medications before administering. The FDA has approved specific sites for medications to equines.
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Route Selection depends upon:
Your capabilities Tractability (how easy this can be
done) of the patient Toxicities of the medication Temperament of the patient
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Parenteral Injection Techniques: Most Commonly Routes used
IM (Strictly speaking, any skeletal muscle that can be accessed safely can be used for an IM injection. However we will discuss the most commonly utilized muscles.)
IV SQ or SC ID
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Make Use of the Alcohol Always use alcohol soaked
cotton balls aka alcobals or gauze when administering injections.
Don’t just wet the fur but get down to the skin as well. Clean the site until your cotton or gauze is essentially clean. Clear that area!
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Injections
Intramuscular Most common type used in horses
18- to 22-gauge needles with length of 1 to 1 1/2 inches; 18 for thicker solutions and 20 for thinner
Maximum volume per injection site: 15 ml Pectoral and semitendinosus: 5 to 10 ml Draft horses can be increased by 5 ml per
location
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Intramuscular Injections
1. Brachiocephalicus-neck2. Pectoral3. Gluteal –no for race horses
4. Semitendinosis5. Triceps Brachii-used ONLY when
all other sites have been exhausted! No for race horses
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Steps for an IM Injection1. Know the type of drug needed, route of administration, dosage, drug
handling precautions, and adverse drug reactions (READ, READ, READ).
2. Read the drug label. 3. Use only sterile needles and syringes. 4. Untie the horse if you are not sure of its reaction. 5. Insert the needle straight into the muscle and up to the hub. 6. Attach the syringe to the needle. 7. Aspirate (pull back) on the plunger. If the blood appears in the
syringe, remove the needle and try again with a clean one. 8. Slowly inject the medication. 9. Observe the horse for signs of adverse reactions. Make sure you
have epinephrine ready for injection in case of anaphylactic shock. 10. Properly dispose of your needle and syringe in a medical waste
container.
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This is your land mark for the lateral cervical area (neck) in the brachiocephalicus or serratus
ventralis muscle for IM injections.
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IM injection into the equine cervical muscles. The needle should be inserted to its full depth. Aspirate, and then the medication is delivered.
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Please, Please…
Aspirating is done for one important reason. You need to make sure that you are not in a
blood vessel. What difference will this make? If you just so happen to administer a
medication that is only for IM use into a blood vessel you can KILL that animal. This is VERY important with all animals. There are some medications that simple can not be administered IV.
Observe for reactions (pruritus, facial edema, hives or urticaria-hives)
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Pinching of the skin sometimes distracts from the pain of the needle and can act as a bandage over the actual needle track.