A young girl, 11 years old, died suddenly without any specific trigger factor during her usual daily activities.
Case#: 11 year old girl
DiseaseAssertion: hypertrophic cardiomyopathy
FamilyInfo: unremarkable
ParentalTesting: Both parents were tested and neither carried the variant
CasePresentingHPOs: HP:0001639 HP:0011675
CaseHPOFreeText: Post-mortem examination revealed asymmetric non-obstructive hypertrophy of the interventricular septum.
CaseNotHPOs: Syncope absent
CaseNotHPOFreeText: No complaints, normal exercise tolerance, no syncope, no medications, and no significant family history.
CasePreviousTesting: Autopsy and sudden cardiac death investigation.
Genotyping Method: Genetic testing performed as part of post-mortem investigation; familial cascade screening.
FunctionalAnalysis:
Variant: TPM1 c.656A>T (p.Asp219Val, p.D219V)
ClinVar: absent
CAID: CA2998480361
gnomAD: absent
AdditionalInfo: Variant classified as likely pathogenic (Class IV) by the authors and determined to be de novo.