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Living with Cardiac arrhythmia, ankyrin-B-related

A condition that affects the heart's rhythm, with problems that vary from person to person.

Understanding Cardiac arrhythmia, ankyrin-B-related

Ankyrin-B syndrome, also called ankyrin-B-related cardiac arrhythmia, is linked to a variety of heart rhythm problems (arrhythmia).

Heart rhythm is controlled by electrical signals. In this condition, different steps of that signaling can be disrupted. Some people have trouble with the SA node, which starts each heartbeat, and the heartbeat can be too slow (bradycardia). Problems vary among people.

Signs & symptoms

Symptoms vary from person to person. GARD lists these as less common features:

  • Fainting spells
  • Slow heartbeat (sinus bradycardia)
  • Irregular heartbeat from the upper chambers

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with Simons Searchlight
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Which heart rhythm tests should I have?
What should we do if I faint?
Should other family members be checked?

Quick facts

InheritanceAutosomal Dominant

GARD says this condition is inherited in an autosomal dominant way, so one changed copy of a gene can cause it.

Also known as: ankyrin-b syndrome; cardiac arrhythmia ankyrin-b related

Patient organizations

Source: NIH GARD · Cardiac arrhythmia, ankyrin-B-relatedGARD ID 13294 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Cardiac arrhythmia, ankyrin-B-related.

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