This week on The Dog Hospital, sixteen-month-old Doberman Nova has a deadly congenital condition which is a ticking time bomb. Owners Mikela and Jimmy have discovered their beloved companion has a hole in her heart and requires a lifesaving operation. Graeme meets Cardiology Specialist Simon Swift to find out about the essential procedure and the risks involved. During surgery the cardiology team discover an unexpected complication. Will they be able to save Nova's life?