Why Is My Dog's Coagulation Time Increased ?
Why Is My Cat's Coagulation Time Increased ?
To see what normal blood and urine values are for your pet, go here
For an explanation of causes of most abnormal blood and urine tests go here
To see how tests are often grouped, go here
For an extensive list of health problems that can delay blood clotting in your pet, go here
Ron Hines DVM PhD
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Your Pet's Blood Coagulation Time
Clotting Time or Buccal Mucosal Bleeding Time
When your pet is bleeding more than would be expected from a skin wound, one of its body openings or blood is appearing in its stool, you vet will want to know the status of its blood clotting mechanism (hemostasis). Your vet will have the same questions when your pet is anemic and the cause is not readily apparent (alternatively, your vet might time how long it takes a drop of your pet's blood placed on a glass slide to coagulate. Read about that test here).
Most veterinarians now request a
Reasons Your Pet’s Clotting Time Might Be Increased (Slowed):
Low blood platelet (thrombocyte) counts (thrombocytopenias), Too high a dose or a sensitivity to aspirin and other NSAID anti-arthritic and pain-relieving medications, Exposure to certain rat and mouse poisons, Disseminated Intravascular Coagulation (DIC), Inherited bleeding disorders (hemophilias), low blood fibrinogen levels, Chediak-Higashi syndrome in cats
Reasons Your Pet's Coagulation Time May Be Shortened (More Rapid)
Complementary Tests :
Platelet count, fibrinogen level, prothrombin time (PT) or activated partial thromboplastin time (APTT), von Willebrand factor