Exotic anaesthesia

Description

degree AVN Mind Map on Exotic anaesthesia, created by Simon Wright ✩ on 15/05/2013.
Simon Wright ✩
Mind Map by Simon Wright ✩, updated more than 1 year ago
Simon Wright ✩
Created by Simon Wright ✩ almost 11 years ago
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Resource summary

Exotic anaesthesia
  1. pre-anaesthetic care
    1. accurate weight, HR and rhythm, RR, temp, blood pressure
      1. advisable to warm reptiles in a bath or vive before exam
        1. blood tests
          1. PCV and total protein to assess hydration and circulating blood volume
            1. Blood urea (mammals) or uric acid (reptiles and birds) to assess wast product metabolism
              1. Glucose- assess nutritional status IMPROTENT for ferrets
              2. Fasting
                1. small mammals that cant vomit 0,5-1 hours so mouth is empty
                  1. mammals that can vomit depends on animal but for ferrets 2-4 hours
                    1. Birds- <100g 30 mins to ensure crop is empty, 100-300g 1 hour, >300g 8-10 hours. birds of prey 12 hours and cast produced
                      1. Reptiles- insectivores 24 hours, snakes 2 days as this reduces pressure on heart and lungs, chelonians 0,5-1 hour
                    2. analgesia
                      1. should be used pre-emptively before wind-up
                        1. birds have high number of kappa receptors, therefore butorphenol is better then butrenorphine, however some birds vary as not as effective in amazone parrots
                        2. pre-medication
                          1. mostly the same options as for normal patients
                            1. anticholinergic drugs
                              1. atropine and glycopyrrolate
                                1. used in pre-meds to reduce respiratory secretions from gaseous agents (common in g.pigs)
                                  1. may be used in reptiles to help prevent intracardiac shunting and protect the heart from vagal inhibitions and bradycardia
                                    1. rabbits and rats have hepatic atropinesterase so glycopyroolate should be used
                                  2. monitoring
                                    1. ideally birds should be in lateral recumbency to minimze the restriction to the air sacs
                                      1. birds and mammals may require lubricant in eyes
                                        1. doppler ultrasound useful to listen to hear lateral tail vain in rates and cephalic vain in larger mammals can be used, thoracic inlet for chelonians and over the heart of snakes and lizards
                                          1. birds are sensitive to having their wing muscles gently squeezed so can be used to assess depth and can stimulates breathing so can be useful on recovery
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