Ch.21 Recovery from Anaesthesia

Question 1

How long should a horse stay in lateral recumbency for in recovery

Answer 1

20 minutes minimum and a further 10-20 in sternal unless its a LCV or LCresection etc

Question 2

Which horses should have there endotracheal tube left in place until standing

Answer 2

Pre-existing heiplegia
Long surgery
Upper resp surgery
Head or neck trauma
Risk of aspiration

Question 3

What is the major determinant of the speed of action of an anaesthetic

Answer 3

Blood gas solubility

Question 4

Which reportedly has better recovery iso or sevo

Answer 4

sevo

Question 5

Desflurane recovery

Answer 5

Fast an of unacceptable nature

Question 6

% of clinics use head and tail ropes?

Answer 6

40%

Question 7

How are extra thoracic and pulmonary pressure increases during hydropool recovery mitigated

Answer 7

Colloids to maintain plasma oncotic pressure
ACP pre op to promote vasodilation and increase perfusion

Question 8

How often is sling recovery not tolerated

Answer 8

6%

Question 9

Main causes of problems in recovery

Answer 9

Malpositioned on sx table
Decreased cardiopulmonary function w hypoxia of tissues

Question 10

When do myopathies usually occur

Answer 10

MAP <70mmHg >15mins
or
GA >3 hrs

Question 11

Major life threatening consequence of myopathy

Answer 11

Myoglobin urea

Question 12

Which horses can suffer from glycogen disease

Answer 12

Draft