Physiological response to anaesthesia

blue84 — Wed, 22 Apr 2015 14:07:33 GMT

Current Revision posted to The Veterinary Nurses' Wiki by blue84 on 4/22/2015 2:07:33 PM

Sarah Dryden - 6321741

“The physiological response of animals to anaesthesia”

Light anaesthesia	Medium anaesthesia	Deep anaesthesia	Anaesthetic overdose
Eye central/caudal	Eye medially rotated	Eye central	Eye central
Pupil moderate dilated	Pupil dilation slight	Pupil dilated	Pupil very dilated
Nystagmus brisk	Nystagmus slow/absent	No nystagmus	No nystagmus
Brisk palpebral reflex	Sluggish palpebral reflex	No palpebral reflex	No palpebral reflex
Eye wide open	Eye closing	Eye open	Eye wide 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 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

Physiological response to anaesthesia

sarah smith — Wed, 10 Dec 2014 09:40:31 GMT

Revision 3 posted to The Veterinary Nurses' Wiki by sarah smith on 12/10/2014 9:40:31 AM

Sarah Dryden - 6321741

“The physiological response of animals to anaesthesia”

Light anaesthesia	Medium anaesthesia	Deep anaesthesia	Anaesthetic overdose
Eye central/caudal	Eye medially rotated	Eye central	Eye central
Pupil moderate dilated	Pupil dilation slight	Pupil dilated	Pupil very dilated
Nystagmus brisk	Nystagmus slow/absent	No nystagmus	No nystagmus
Brisk palpebral reflex	Sluggish palpebral reflex	No palpebral reflex	No palpebral reflex
Eye wide open	Eye closing	Eye open	Eye wide 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	Mucous membranes pink, CRT <2 seconds	Mucous membranes pale/blue CRT > 2 seconds	Mucous membranes grey/blue
Pulse easily palpable	Pulse good to moderate	Weak pulse	Pulse not palpable

Physiological response to anaesthesia

Arlo Guthrie — Sun, 30 Nov 2014 19:58:25 GMT

Revision 2 posted to The Veterinary Nurses' Wiki by Arlo Guthrie on 11/30/2014 7:58:25 PM

Sarah Dryden - 6321741

“The physiological response of animals to anaesthesia”

Light anaesthesia	Medium anaesthesia	Deep anaesthesia	Anaesthetic overdose
Eye central/caudal	Eye medially rotated	Eye central	Eye central
Pupil moderate dilated	Pupil dilation slight	Pupil dilated	Pupil very dilated
Nystagmus brisk	Nystagmus slow/absent	No nystagmus	No nystagmus
Brisk palpebral reflex	Sluggish palpebral reflex	No palpebral reflex	No palpebral reflex
Eye wide open	Eye closing	Eye open	Eye wide 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	Mucous membranes pink, CRT <2 seconds	Mucous membranes pale/blue CRT > 2 seconds	Mucous membranes grey/blue
Pulse easily palpable	Pulse good to moderate	Weak pulse	Pulse not palpable

Physiological response to anaesthesia

Sarah Cahill — Mon, 05 Aug 2013 20:51:42 GMT

Revision 1 posted to The Veterinary Nurses' Wiki by Sarah Cahill on 8/5/2013 8:51:42 PM

Sarah Dryden - 6321741<o:p></o:p>

“The physiological response of animals to anaesthesia”<o:p></o:p>

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