Inclusion Criteria:                                      

Pembroke Welsh Corgis with a documented PDA will be studied.

Exclusion Criteria:

Breeds other than Pembroke Welsh Corgis.

Client Benefits:

The study will cover the cost of an echocardiogram (ultrasound of the heart) as well as a blood sample for DNA testing.

Contact Information:

For questions regarding the clinical trial please email the clinical trials technician, Diane Welsh at: