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Living with Cardiac valvular dysplasia, X-linked

A condition in which one or more heart valves form abnormally, so blood may not flow normally through the heart.

Understanding Cardiac valvular dysplasia, X-linked

X-linked cardiac valvular dysplasia is a condition in which heart valves develop abnormally.

The heart has four valves that keep blood moving forward. In this condition, one or more valves are thickened and cannot open and close fully. This can cause abnormal blood flow and a heart murmur. Signs vary greatly. It begins in the newborn period.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Leaking aortic valve (aortic regurgitation)
  • Leaking mitral valve (mitral regurgitation)
  • Mitral valve prolapse
  • Leaking pulmonary valve
  • Leaking tricuspid valve
  • Heart murmur

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

    Specialists who may be involved include genetic specialists and heart and blood vessel specialists.

  3. Consider genetic testing

    Changes in FLNA are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  4. Connect with expert centers

    Conquering CHD may keep lists of experts for this condition.

Care & treatment

Care team
Genetic specialists (geneticists); Heart and blood vessel specialists (cardiologists)
Expert care
Expert lists: Conquering CHD
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 Conquering CHD
  • 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
Can FLNA genetic testing help confirm the diagnosis?
How often should my heart valves be checked?
How might this affect other family members?

Quick facts

Symptoms usually startNewborn
InheritanceX-Linked
GenesFLNA

Changes in the FLNA gene cause this condition. It is X-linked, which means the gene is on the X chromosome.

Genetic

Also known as: congenital valvular dysplasia; cvd1; cvdpx; filamin a-related x-linked myxomatous valvular dysplasia; flna-related valvular dystrophy; flna-related x-linked cardiac valvular dysplasia

Patient organizations

Source: NIH GARD · Cardiac valvular dysplasia, X-linkedGARD ID 1096 · 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 valvular dysplasia, X-linked.

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