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Activated Clotting Time (ACT) Tubes

NOTE: THE FORMULATION HAS CHANGED FROM DIATOMACEOUS EARTH TO KAOLIN.  THIS HAS NO EFFECT ON TUBE EFFICACY.

For Veterinary Use Only

The activated clotting time (ACT) is commonly used in veterinary medicine as an assessment of dysfunction within the intrinsic clotting cascade.The ACT can be used on-site to quickly evaluate and diagnose secondary hemostasis from a myriad of conditions such as  rodenticide toxicosis and other disorders characterized by a decrease in clotting factors.  

Haematologic Technologies SCAT-ACT tube draws 2 mL of blood into 12 milligrams of Kaolin (6 milligrams per mL blood).  

 

 

 

 

 

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Normal Clotting Values*:

                                    Dogs < 120 seconds

                                    Cats  < 100 seconds

                                    Cow  <  145 seconds

                                    Horse  < 45 seconds

* The above values are taken from the literature from use with tubes of a different brand of tube, and should only be used as a guideline.

FOR VETERINARY USE ONLY!

Tubes are non-sterile.  We recommend phlebotomy be done with a catheter of at least five inches in length, which is equipped with a multi-sample luer adapter (MSLA).

SCAT-ACT tubes have not been validated in any controlled animal studies, and Haematologic Technologies makes no claims of performance or suitability as a screening test for coagulopathy.  The responsibility for achieving accurate and clinically useful results with SCAT-ACT tubes rests solely with the Veterinarian and/or individual performing the test.  Good laboratory practice dictates that each clinic should establish its own reference values by running 5 to 10 known normal animals.

Haematologic Technologies, Inc. is NOT responsible for any injuries or illness that may occur as a result from the use of these tubes.

 

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References

1. Shane W. Bateman DVM, DVSc, Karol A. Mathews DVM, DVSc (1999) Comparison of Axillary And Heating Block Methods of Activated Clotting Time (ACT) in Dogs; Journal of Veterinary Emergency and Critical Care 9 (2) , 7982 doi:10.1111/j.1476-4431.1999.tb00073.x

 

For Normal Values above:

Meyer, Coles and Rich: Evaluation of Hemostasis and Coagulation Disorders in Veterinary Laboratory Medicine.  Philadelphia , W.B. Saunders, 1987, 43-49

Tvedten, Harold: Hemostatis Abnormalities in Small Animal Clinical Diagnosis by Laboratory Methods edited by Willard, Tvedten, and Turnwald.  Philadelphia , W.B. Saunders 1989, pp. 86-101

Riley, J.H. and E.D. Lassen: Activated Coagulation Times of Normal Cows.  Veterinary Clinical Pathology 1979, VIII, p. 31

 

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