Locoregional Anesthesia
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Questions and Answers

What is the main benefit of using morphine for equine epidural analgesia?

  • Requires administration through an epidural catheter for longer-term use
  • Provides analgesia without the risk of weakness or motor blockade (correct)
  • Provides motor blockade for the hind limbs
  • Carries a high risk of side effects like urticaria and ileus

    • What is the recommended location for inserting an epidural catheter in horses?

  • Between the first and second coccygeal vertebrae (Co1-Co2) (correct)
  • Between the last lumbar and first sacral vertebrae (L6-S1)
  • At any vertebral space, as long as local anesthetics are avoided
  • In the lumbosacral (LS) space to provide analgesia for the hind limbs

    • What is the recommended approach for providing anesthesia for castration in horses, ruminants, and swine?

  • Administer an intratesticular block with a large volume of lidocaine under general anesthesia or sedation (correct)
  • Perform a retrobulbar block to desensitize the testes and surrounding area
  • Apply a cornual branch of the zygomaticotemporal nerve block for the procedure
  • Use a line block or inverted L block to infiltrate the incision site with local anesthetic

    • What is the recommended nerve block for examining the eye in ruminants?

    <p>Auriculopalpebral block</p> Signup and view all the answers

    What is the recommended approach for providing analgesia for ruminant flank laparotomy?

    <p>Perform a line block by infiltrating local anesthetic along the incision line</p> Signup and view all the answers

    What is the recommended nerve block for dehorning in adult cattle?

    <p>Cornual branch of the zygomaticotemporal nerve block</p> Signup and view all the answers

    What are the signs of blockage mentioned in the text?

    <p>Spinal scoliosis, decreased skin temperature, absent reaction to pinprick</p> Signup and view all the answers

    Where should the majority of the drug be deposited in the distal paravertebral block?

    <p>Ventral to the transverse processes of L1, L2, and L4</p> Signup and view all the answers

    Which procedure involves injecting between S5-Co1 or Co1-Co2 space?

    <p>Ruminant caudal epidural</p> Signup and view all the answers

    What is the indication for performing a ruminant lumbosacral epidural?

    <p>Immature cattle anesthesia</p> Signup and view all the answers

    How is the anesthesia of the teats typically performed?

    <p>Ring block - inject proximal to the tourniquet</p> Signup and view all the answers

    Which block is used in the cranial aspect of the udder and teats?

    <p>Paravertebral block of L1-L3</p> Signup and view all the answers

    Which nerve block would be most appropriate for performing an ophthalmic exam on a horse?

    <p>Auriculopalpebral nerve block</p> Signup and view all the answers

    Which of the following nerves, when blocked, would desensitize the majority of the upper eyelid in a horse?

    <p>Supraorbital nerve</p> Signup and view all the answers

    Which nerve block would be most appropriate for a standing enucleation procedure in a horse?

    <p>Retrobulbar nerve block</p> Signup and view all the answers

    Which nerve block would be appropriate for desensitizing the lower incisors in a horse?

    <p>Mental nerve block</p> Signup and view all the answers

    Which nerve block would be appropriate for desensitizing the mandible in a horse?

    <p>Inferior alveolar nerve block</p> Signup and view all the answers

    Which of the following is a characteristic of the caudal epidural technique in horses?

    <p>All of the above</p> Signup and view all the answers

    What is the primary benefit of using morphine for equine epidural analgesia?

    <p>Provides analgesia without risk of weakness or motor blockade</p> Signup and view all the answers

    Which nerve block is recommended for desensitizing the cornual branch of the zygomaticotemporal nerve during dehorning in adult cattle?

    <p>Cornual branch of the zygomaticotemporal nerve block</p> Signup and view all the answers

    Which of the following is the recommended approach for providing anesthesia for castration in horses, ruminants, and swine?

    <p>Intratesticular block</p> Signup and view all the answers

    Which nerve block would be most appropriate for performing an ophthalmic examination in ruminants?

    <p>Auriculopalpebral block</p> Signup and view all the answers

    What is the recommended location for inserting an epidural catheter in horses?

    <p>Between the C1-C2 vertebrae</p> Signup and view all the answers

    Which nerve block is recommended for desensitizing the cornual branch of the infratrochlear nerve during dehorning in goats?

    <p>Cornual branch of the infratrochlear nerve block</p> Signup and view all the answers

    Which of the following is the primary benefit of including the L3 nerve in the distal paravertebral block for ruminant flank laparotomy?

    <p>Provides better anesthesia of the surgical site</p> Signup and view all the answers

    Where should the majority of the local anesthetic drug be deposited during the distal paravertebral block for ruminant flank laparotomy?

    <p>Ventral to the transverse processes</p> Signup and view all the answers

    Which of the following is a recommended technique for providing anesthesia of the teats in ruminants?

    <p>Infusion of local anesthetic into the teat cistern</p> Signup and view all the answers

    What is the primary indication for performing a ruminant lumbosacral epidural block?

    <p>Obstetric manipulations and surgical procedures of the tail, perineum, and genitalia</p> Signup and view all the answers

    Which nerve block is recommended for providing anesthesia of the caudal aspect of the udder and teats in ruminants?

    <p>Pudendal nerve block</p> Signup and view all the answers

    What is the recommended approach for performing a caudal epidural block in ruminants?

    <p>Injection between the S5-Co1 or Co1-Co2 vertebral spaces</p> Signup and view all the answers

    Which nerve block would be appropriate for desensitizing the maxilla and sinus cavity in a horse?

    <p>Maxillary nerve block</p> Signup and view all the answers

    Which nerve block is used to desensitize the ipsilateral upper lip, nose, teeth rostral to the first molar, maxillary sinus, and roof of the nasal cavity in a horse?

    <p>Infraorbital nerve block</p> Signup and view all the answers

    Which nerve block would be appropriate for preventing closure of the eyelid (blinking) during an ophthalmic exam in a horse?

    <p>Auriculopalpebral nerve block</p> Signup and view all the answers

    Which of the following nerves, when blocked, would desensitize the majority of the upper eyelid in a horse?

    <p>Supraorbital nerve</p> Signup and view all the answers

    Which technique is used to prevent loss of motor function during a caudal epidural in a horse?

    <p>Inserting between Co1-Co2 space</p> Signup and view all the answers

    Which nerve block would be appropriate for desensitizing the lower incisors in a horse?

    <p>Mental nerve block</p> Signup and view all the answers

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