Trait
Second degree atrioventricular block
An intermittent atrioventricular block with failure of some atrial impulses to conduct to the ventricles, i.e., some but not all atrial impulses are conducted through the atrioventricular node and trigger ventricular contraction.
Summary
- Body system
- Abnormality of the cardiovascular system
This page as data
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Dante Labs condition reports look at the genes behind groups of inherited conditions, read from one whole-genome test. Each page says which conditions and genes a report covers, how it is read and what it cannot tell you.
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- Malignant Hyperthermia SusceptibilityReads 1 of these genesCACNA1SAbout this report →
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- Limb-Girdle Muscular DystrophyReads 2 of these genesPOPDC1LMNAAbout this report →
- Long QT SyndromeReads 1 of these genesCALM3About this report →
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- Monogenic Hypertension & Mineralocorticoid DisordersReads 1 of these genesCACNA1DAbout this report →
- Dilated CardiomyopathyReads 1 of these genesLMNAAbout this report →
- Female InfertilityReads 1 of these genesLARS2About this report →
- Lysosomal Storage DiseaseReads 1 of these genesLAMP2About this report →
- Hypertrophic CardiomyopathyReads 1 of these genesALPK3About this report →
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- Epilepsy (Full Panel)Reads 1 of these genesGABRA3About this report →
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Read the genes linked to Second degree atrioventricular block, and the rest of your genome, with one test.
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Get my Genome Test13 genes linked to Second degree atrioventricular block
Changes in these genes cause rare conditions in which Second degree atrioventricular block is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.
| Gene | How often it is seen | Conditions |
|---|---|---|
| CALM3calmodulin 3 | Always | In 1 condition |
| LARS2leucyl-tRNA synthetase 2, mitochondrial | Always | In 1 condition |
| POPDC1popeye domain cAMP effector 1 | Always | In 1 condition |
| CACNA1Dcalcium voltage-gated channel subunit alpha1 D | Often (30–79%) | In 2 conditions |
| LAMP2lysosome associated membrane protein 2 | Often (30–79%) | In 1 condition |
| POPDC2popeye domain cAMP effector 2 | Often (30–79%) | In 1 condition |
| VEZF1vascular endothelial zinc finger 1 | Often (30–79%) | In 1 condition |
| ALPK3alpha kinase 3 | Sometimes (5–29%) | In 1 condition |
| CACNA1Scalcium voltage-gated channel subunit alpha1 S | Sometimes (5–29%) | In 1 condition |
| CDC45cell division cycle 45 | Sometimes (5–29%) | In 1 condition |
| GABRA3gamma-aminobutyric acid type A receptor subunit alpha3 | Sometimes (5–29%) | In 1 condition |
| KCNJ18potassium inwardly rectifying channel subfamily J member 18 | Sometimes (5–29%) | In 1 condition |
| LMNAlamin A/C | Sometimes (5–29%) | In 1 condition |
How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.
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Where this comes from
- The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
- Data release 2026.10.19-9814e911.
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