Case#: A 50-year-old man diagnosed with HCM at age 41, with asymmetric septal hypertrophy and exertional chest discomfort and pain

DiseaseAssertion: Hypertrophic cardiomyopathy

FamilyInfo: His third elder sister, niece and daughter were also clinically affected by HCM. The proband's mother and eldest sister had suffered from sudden cardiac death. The proband's father, second elder sister (HCM1 in Fig. 1A), nephew (HCM5 in Fig. 1A) and son (HCM7 in Fig. 1A) were 87, 65, 35, and 14 years old, respectively, and had normal echocardiographic measurements.

ParentalTesting: The mother had died suddenly; the 87-year-old father had normal echocardiographic measurements. There was no testing reported.

CasePresentingHPOs: HP:0001639, HP:0005144, HP:0100749, HP:0011712

CaseHPOFreeText: chest distress and chest pain during exercise for 9 years. He presented with an asymmetric hypertrophic interventricular septum and a maximum interventricular septum thickness of 18.04 mm

CaseNotHPOs: not reported

CaseNotHPOFreeText: no findings found in the proband

CasePreviousTesting: nothing reported in the article

Genotyping Method: hole exome sequencing (WES) Exons were captured using Sure Select Human All Exon V5 kit. Sequenced by Illumina HiSeq 4000 sequencer.

FunctionalAnalysis: not reported

Variant: rs796925245 (g.1:201359630G>A, c.835C>T, p.Gln279Ter) (c.835C>T, p.Gln279Ter)

ClinVar: 1175037

CAID: CA088451

gnomAD: not reported

AdditionalInfo: n/r