3- Equine anaesthesia: recovery from anaesthesia Flashcards

1
Q

If a horse has has surgery in lateral recumbency how should they be positioned in the recovery box and why?

A

In the same Lateral recumbency

They undergo a degree of lung collapse when under anaesthesia (lower lung)
Most gas exchanges occurs in the inflated upper lung so do not want to collapse this by placing on other lateral

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2
Q

Obstruction tends to occur at what 2 levels in horses?

A

Nasal passages/ larynx

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3
Q

Clinical signs nasal passage obstruction in horses

A

Stridor (loud resp noise)
Nostril flaring on inspiration
Abdominal respiratory effort
Exaggerated thoracic excursion
Absence of airflow at nostrils

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4
Q

Laryngeal obstruction can occur due to what?

A

Dorsal displacement of soft palate = ET tube being removed before reflexes have returned

Epiglottic retroversion

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5
Q

If a horse has nasal oedema after anaesthesia what can be used?

A

Nasopharyngeal tubes

Phenylephrine

Or both

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6
Q

What is epistaxis?

A

Bleeding from the nose

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7
Q

Pathogenesis of pulmonary oedema

A

Related to changes in venous return & an influx of fluid into the alveoli as a result of excessive negative pressures within the thorax

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