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Factor VIII (Haemophilia A)

Factor VIII deficiency may be suspected in young dogs with a history of haemorrhage and in which other causes have been ruled out, and which have an elevated activated partial thromboplastin time (APTT) with normal prothrombin time (PT).

Species:

Dogs

Specimen:

Whole blood

Container:

Sodium Citrate

Collection protocol:

Collect blood with a minimum of trauma so the coagulation cascade is not triggered, preferably from the jugular so a good flow is ensured. Fill the tube exactly to the level indicated on the blood tube.

Special handling/shipping requirements:

Deliver to the laboratory as soon as possible. If delivery will be delayed, spin to separate the plasma, and aspirate the plasma into a plastic or additive-free tube. Freeze the plasma, and deliver with ice bricks.