What it is:
cTnI is a blood test that shows whether there has been injury or damage to the heart muscle.
Why it is beneficial to breeders:
Helps identify active or recent heart injury
Useful in dogs with sudden weakness, collapse, or abnormal heart findings
Supports urgent veterinary decision-making
Adds clarity when heart disease is suspected
When breeders should use it:
When a dog shows sudden or unexplained cardiac symptoms
After severe illness, trauma, or extreme stress
Alongside NT-proBNP for a more complete heart assessment
When rapid answers are needed to guide care

To summarize:
cTnI: A blood test that helps detect damage to the heart muscle.