Light anaesthesia
Medium anaesthesia
Deep anaesthesia
Anaesthetic overdose
Eye central/caudal
Eye medially rotated
Eye central
Pupil moderate dilated
Pupil dilation slight
Pupil dilated
Pupil very dilated
Nystagmus brisk
Nystagmus slow/absent
No nystagmus
Brisk palpebral reflex
Sluggish palpebral reflex
No palpebral reflex
Eye wide open
Eye closing
Eye open
Lacrimation ++
Lacrimation +
Lacrimation -
Dry eye
Head and limb movement possible
Muscle relaxation
Total muscle relaxation
Muscles flaccid
Breath holding or rapid breathing
Regular breathing pattern
Reduced respiration rate, often irregular
Cheyne-stokes breathing or gasps
Anal reflex +++
Anal reflex ++
Anal reflex +/-
Anal reflex -
High blood pressure
Normal blood pressure
Low blood pressure
Very low blood pressure
Mucous membranes pink, CRT <2 seconds="" p="">
Mucous membranes pale/blue CRT > 2 seconds
Mucous membranes grey/blue
Pulse easily palpable
Pulse good to moderate
Weak pulse
Pulse not palpable