Traits

Traits linked to SLC4A3

solute carrier family 4 member 3

The Human Phenotype Ontology links 10 traits to SLC4A3, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of the cardiovascular system

Trait	How often it is seen
Shortened QT interval	Always
Slow heartbeats	Very often (80–99%)
Palpitations	Often (30–79%)
Quivering upper heart chambers resulting in irregular heartbeat	Often (30–79%)
Fainting spell	Sometimes (5–29%)
Interruption of electrical communication between upper and lower chambers of heart	Sometimes (5–29%)
Sudden cardiac death	Sometimes (5–29%)
Ventricular arrhythmia	Sometimes (5–29%)
Ventricular fibrillation	Sometimes (5–29%)
Heart stops beating	Not recorded

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.

Where this comes from

The Human Phenotype Ontology, release 2026-09-01: the traits linked to SLC4A3 and how often each is seen. Find out more at hpo.jax.org.

One test. A lifetime of answers.

From $449Free shipping · Results in 6–8 weeks

Get my Genome Test