Advances in techniques and reduced costs have led to increased use of genetics in cardiovascular care and, in particular, the field of inherited cardiac conditions. While there are specialist services for the diagnosis and management of these conditions, patients and family members are seen across cardiovascular services. Therefore, all nurses need to be aware of the various aspects of care required by these patients and have confidence in engaging in discussions around their genetic healthcare needs. This article is the first in a series about genetics. It provides information about basic genetic concepts relating to inherited cardiac conditions, the process and uses of genetic testing, the potential psychosocial impact and the key role of the nurse in genetic healthcare for patients and their families.

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