Family members of young people who have died of Sudden Adult Death Syndrome are being urged to contact the HSE to preserve their loved ones' medical records.
European data protection laws require the cards be destroyed or returned to their owners.
The Irish Heart Foundation is urging the public, particularly those affected by SADS, to contact the HSE to retain their cards before the deadline of Easter Sunday.
Consultant Cardiologist Dr Joe Galvin says the cards contain invaluable information that could save lives:
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