| | | Single nucleotide variant (intron variant) | not provided | |
| | | Single nucleotide variant (intron variant) | not provided | |
| | HCN4, LOC105370890 (R393H) | Single nucleotide variant (missense variant) | not provided +1 more | |
| | HCN4, LOC105370890 +1 more (R387C) | Single nucleotide variant (missense variant) | Cardiovascular phenotype +2 more | |
| | HCN4, LOC105370890 +1 more | Single nucleotide variant (synonymous variant) | Brugada syndrome 8 +2 more | |
| | HCN4, LOC105370890 +1 more (T380M) | Single nucleotide variant (missense variant) | not provided +2 more | |
| | HCN4, LOC105370890 +1 more (R378C) | Single nucleotide variant (missense variant) | Brugada syndrome 8 +4 more | GConflicting classifications of pathogenicity |
| | HCN4, LOC105370890 +1 more (I376V) | Single nucleotide variant (missense variant) | Brugada syndrome 8 +1 more | |
| | HCN4, LOC105370890 +1 more (R375C) | Single nucleotide variant (missense variant) | not provided +2 more | GPathogenic/Likely pathogenic |
| | HCN4, LOC105370890 +1 more | Single nucleotide variant (synonymous variant) | not provided +2 more | |
| | HCN4, LOC105370890 +1 more (D364N) | Single nucleotide variant (missense variant) | Cardiovascular phenotype +3 more | |
| | HCN4, LOC105370890 +1 more | Single nucleotide variant (synonymous variant) | Cardiovascular phenotype +2 more | |
| | HCN4, LOC105370890 +1 more (M343V) | Single nucleotide variant (missense variant) | Brugada syndrome 8 +2 more | GConflicting classifications of pathogenicity |
| | HCN4, LOC105370890 +1 more | Single nucleotide variant (synonymous variant) | not provided +2 more | |
| | HCN4, LOC105370890 +1 more (Y337H) | Single nucleotide variant (missense variant) | Brugada syndrome 8 +1 more | |
| | HCN4, LOC105370890 +1 more (M335R) | Single nucleotide variant (missense variant) | Brugada syndrome 8 +2 more | |
| | HCN4, LOC105370890 +1 more | Single nucleotide variant (synonymous variant) | not provided +2 more | |
| | HCN4, LOC105370890 +1 more | Single nucleotide variant (synonymous variant) | not specified +1 more | |
| | HCN4, LOC105370890 +1 more | Single nucleotide variant (synonymous variant) | Brugada syndrome 8 +2 more | |
| | HCN4, LOC105370890 +1 more (D309E) | Single nucleotide variant (missense variant) | not provided | |
| | HCN4, LOC105370890 +1 more (N299S) | Single nucleotide variant (missense variant) | Brugada syndrome 8 +2 more | |
| | HCN4, LOC105370890 +1 more (I280T) | Single nucleotide variant (missense variant) | not provided +1 more | |
| | HCN4, LOC105370890 +1 more | Deletion (intron variant) | not specified +1 more | |
| | HCN4, LOC105370890 +1 more | Single nucleotide variant (intron variant) | not provided | |
| | HCN4, LOC105370890 +1 more | Single nucleotide variant (intron variant) | not provided | |