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[[Image:Iv_injections.jpg|200px|thumb|right|Intravenous blood sampling(Copyright © RVC)]]
[[Image:Iv_injections.jpg|200px|thumb|right|Intravenous blood sampling(Copyright © RVC)]]
==Introduction==
==Introduction==
*The palatine veins can be visible when the mouth is open.
*The palatine veins can be visible when the mouth is open.
*Care is necessary in restraint and haemorrhage must be considered. This can be controlled by applying pressure with a cotton-tipped applicator that has been adrenalinised.
*Care is necessary in restraint and haemorrhage must be considered. This can be controlled by applying pressure with a cotton-tipped applicator that has been adrenalinised.
[[Image:Take_blood.jpg|350px|thumb|right|(Copyright © RVC)]]
[[Image:Take_blood.jpg|350px|thumb|right|Cardiocentesis (Copyright © RVC)]]
==Cardiocentesis==
==Cardiocentesis==
==Use of anticoagulants==
==Use of anticoagulants==
EDTA may be suitable for some species but, as a general rule it is recommended to use lithium heparin for haematology since EDTA lyses erythrocytes of some species of reptiles. Blood films are best made with fresh blood without an anticoagulant, immediately following collection, and then air-dried. Heparin creates a blue tinge to blood films and causes clumping of the thrombocytes and leukocytes whereas those made from blood without anticoagulant give superior cellular morphology.
EDTA may be suitable for some species but, as a general rule it is recommended to use lithium heparin for haematology since EDTA lyses erythrocytes of some species of reptiles. Blood films are best made with fresh blood without an anticoagulant, immediately following collection, and then air-dried. Heparin creates a blue tinge to blood films and causes clumping of the thrombocytes and leukocytes whereas those made from blood without anticoagulant give superior cellular morphology.
{{Learning
|literature search = [http://www.cabdirect.org/search.html?start=0&q=((title:(snake)+OR+ab:(snake)+OR+od:(snakes)))+AND+((title:(cardiocentesis)+OR+title:(blood+sampling)+OR+title:(blood+collection))) Snake Blood Collection publications]
|full text = [http://www.cabi.org/cabdirect/FullTextPDF/2006/20063121835.pdf ''' Intravascular access options in reptiles: what's reasonable?''' Mosley, C. A. E.; The North American Veterinary Conference, Gainesville, USA, Small animal and exotics. Proceedings of the North American Veterinary Conference, Volume 20, Orlando, Florida, USA, 7-11 January, 2006, 2006, pp 1654-1655]
}}
{{review}}
[[Category:Snake Diagnostics|B]]
[[Category:Snake Diagnostics|B]]