Definition of "heartwise"

Did I understand from your response to the chairman there, Doctor, that we already get some kind of reading that if there is an abnormality in either of the parents of that child, heartwise, the chances are that it could show up in that child?

1976, United States. Congress. House. Committee on Appropriations. Subcommittee on the Departments of Labor and Health, Education, and Welfare, Departments of Labor and Health, Education, and Welfare appropriations for 1977: Hearings... (page 715)