Bovine Pre-Operation Lab and Instruments
Signalment details, physical examination procedures, indications for procedures like transpalpebral enucleation, and necessary instruments and drug doses for a bovine operation are provided in this comprehensive guide.
Download Presentation
Please find below an Image/Link to download the presentation.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author.If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.
You are allowed to download the files provided on this website for personal or commercial use, subject to the condition that they are used lawfully. All files are the property of their respective owners.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author.
E N D
Presentation Transcript
Pre-Operation Lab 11
Signalment Species: Bovine Breed: Jersey Holstein mixed Sex: Female Age: >4 years Weight: 500kg ASA grade: 2
Physical Examination Please look at the video for details on how to physically examine a cow. https://www.youtube.com/watch?v=B- a9bxCD1MU&t=170s Also note that special attention was placed at station 3.
Indications Indications for transpalpebral enucleation, third eye removal, and subconjunctival injection of antibiotics are: Congenital disease Orbital Inflammation and cellulitis Neoplasia: squamous cell carcinoma Trauma and inflammation to the adnexa of the eye, orbit or globe. Painful glaucomatous eyes. Heavy load of Parasites: Thelazia spp
Instruments Coveralls and boots Gloves Drapes Cotton/ gauze Basic Ophthalmic instrument set Small towel clamps # 9 blade handle Small mayo Scissors General suture scissors Small stitch scissors Forceps Adson brown Curved hemostats Kelly hemostats Needle holder Metzenbaum scissors Polypropylene Sutures 3-0, 4-0, 5-0 and 6-0
Drugs Drugs Dose/ Concentration Calculations Volume per site Withdrawal Time Route &Comments Anaesthetic/ Sedative Lidocaine ??????????? ????????????? Toxic Dose 500? 10 = 250ml Maximum Vol can be administered: 500 ? 5 = 125ml 500 ? 0.05 = 1.25ml 2% of 10mg/kg 125 ml 4 days for meat 3 days for milk IM/SC 20 20 Xylazine 2% of 0.05 mg/kg 1.25 ml 4 days for meat 1 days for milk IM 20 Ketamine 10 % of 0.25 mg/ kg 1.25 ml 3 days for meat 3 day for milk IM Note: 0.1mg/kg can be used in fractious patients. 500 ? 0.25 = 1.25ml 100 Opioid Butorphenol 0.02mg/kg 500 x 0.02 = 10ml IV NSAID Flunixin 5% of 1.1 mg/kg 500 ? 1.1 11 ml IV, must be given first due to its technicality. IM = 11ml 50 Antibiotic Penicillin Streptomycin 200,000 IU/ml of 20,000 IU 20,000 ? 500 25ml 30 days for meat 10 days for milk = 25 ml 200,000
Reversal Drugs Drugs Atropine Dose/Concentration Calculations 0.04 mg/kg Volume 37ml Route & Comments IV/IM 0.04 ? 500 = 37ml 0.54 Epinephrine 0.02 mg/kg 10 ml IM 0.02 ? 500 = 10 ml 1 Tolazoline 10% of 0.1mg/kg 0.5 ml 1ml IV slowly ?????????? 0.1 500 100 ?????????? 0.2 500 100 = 0.5 ml = 1ml
Preparation of surgical site The animal was restrained in a chute, since this procedure is done standing. After which the halter was tied to the opposite side of the affected eye. The ketamine stun was given at this time. The jugular vein was clipped on both side of the neck. Then an 18 catheter was placed in the left side of the neck so IV injections can be given such as Flunixin, also if there is a lot of hemorrhaging fluids can be administered quickly. After 15 minutes the head was then further secured to one side with the ears was pulled back. The unaffected eye was covered using gauze and tape.
Preparation of the surgical site Following that the area was clipped 1 inch around the animal s eye. The eyelashes was also trimmed at this point in time. Sterile saline was used to clean the area since the other chemical such as alcohol and iodine will be very irritating. Next the surgical site was draped. After which the nerve blocks was done. NOTE: this is explained separately. After the nerve blocks was done the animal moved unto surgery.
