A clear guide to valve health

Heart Valve
Disease

Four valves coordinate every heartbeat. Learn what happens when a valve becomes narrowed or leaky, how it is diagnosed, and when treatment may be needed.

Patient-friendlyClinically reviewedUpdated August 2026
Cardiac valve atlas01 / 05
Anatomical illustration showing the pulmonary, aortic, mitral and tricuspid valves in diastole and systole
All four valves, viewed from aboveThe atrioventricular and semilunar valves open and close in a coordinated sequence.

Anatomy first

Four valves. One direction.

Each valve is a one-way gateway. Select a valve to see its anatomy and role.

Anatomical illustration of the aortic valve and its three sinuses
Valve 01

Aortic valve

Controls blood flow from the left ventricle into the aorta and onward to the body.

Common conditionsAortic stenosis · Aortic regurgitation
Clinical illustration

Conventional anatomical plates from Carpentier’s Reconstructive Valve Surgery—not generative-AI imagery.

What can go wrong?

A valve may not open—or may not close.

The pattern of valve dysfunction determines how the heart and circulation are affected.

Medical illustration showing different patterns of abnormal valve leaflet motion
Patterns of leaflet motion help identify the mechanism of valve dysfunction.
01 · Restricted opening

Stenosis

The opening becomes narrow. Blood must pass through a smaller area, increasing the pressure load on the heart.

02 · Incomplete closure

Regurgitation

The leaflets do not meet completely. Blood leaks backward, creating extra volume work for the heart.

Common causes include aging and calcification, congenital anatomy, degenerative changes, infection, rheumatic disease, and enlargement of the heart chambers around the valve.

Listen to your body

Symptoms can be subtle—or absent.

How you feel does not always match disease severity. Regular follow-up matters even when symptoms are mild.

01

Shortness of breath

During activity, at rest, or while lying flat.

02

Fatigue

Reduced stamina or difficulty with usual activities.

03

Palpitations

A fast, irregular, or unusually forceful heartbeat.

04

Swelling

Fluid collecting in the ankles, feet, legs, or abdomen.

05

Dizziness or fainting

Especially during exertion or with sudden symptoms.

06

Chest discomfort

Pain, pressure, or tightness—particularly with activity.

From murmur to diagnosis

Imaging turns sound into understanding.

Echocardiography is the central test. Additional imaging is selected when anatomy, severity, or treatment planning needs clarification.

  1. 01
    Clinical assessment

    Symptoms, examination, blood pressure, rhythm, and heart murmur.

  2. 02
    Echocardiography

    Valve anatomy, severity, blood flow, chamber size, and ventricular function.

  3. 03
    Advanced testing

    Exercise testing, transoesophageal echo, CT, MRI, or catheterization when needed.

  4. 04
    Heart Team review

    Anatomy, symptoms, risk, durability, and the patient’s goals are considered together.

Individualized care

The right treatment at the right time.

The valve involved, disease mechanism, severity, symptoms, heart response, anatomy, other conditions, and personal priorities all influence the plan.

01 · Observe

Follow-up

Mild or asymptomatic disease may be monitored with scheduled clinical reviews and repeat echocardiography.

Monitoring intervals are individualized.
02 · Support

Medication

Medicines may treat blood pressure, fluid retention, rhythm problems, or clotting risk, but usually do not correct the mechanical valve problem.

Never start or stop medication without medical advice.
HEARTTEAM
Modern valve care

One decision, multiple perspectives.

Cardiologists, cardiac surgeons, imaging specialists, anaesthesiologists, nurses, and other professionals combine their expertise to identify the safest and most durable strategy for each patient.

Prepare for your visit

Six useful questions to ask.

01

Which valve is affected, and is it narrowed or leaky?

02

How severe is the valve disease?

03

Has it affected the size or function of my heart?

04

Which symptoms should I report immediately?

05

How often do I need an examination or echocardiogram?

06

Would repair, replacement, or a catheter procedure suit me best?

Frequently asked questions

Clear answers to common concerns.

Can heart valve disease exist without symptoms?+

Yes. Some people have no symptoms even when valve disease is important. A heart murmur or imaging test may be the first clue, which is why planned follow-up is essential.

Does every valve problem need surgery?+

No. Mild disease may need observation only. Intervention is considered when disease is severe, causes symptoms, affects the heart, or carries significant future risk.

Can medicine repair a narrowed or leaking valve?+

Medication can reduce symptoms and treat associated conditions, but most structural valve abnormalities cannot be corrected by medicine alone.

What is the difference between repair and replacement?+

Repair reshapes or supports the patient’s own valve. Replacement uses a biological or mechanical prosthesis. The choice depends on anatomy, expected durability, risks, and patient priorities.

Can treatment be minimally invasive?+

For selected patients, surgery can be performed through smaller incisions or treatment can be delivered by catheter. Suitability depends on anatomy, valve type, disease mechanism, and Heart Team assessment.

For healthcare professionals

Guideline-based valve care

Management integrates disease stage, symptoms, ventricular response, multimodality imaging, procedural risk, durability, patient values, and Heart Team expertise.

Medical disclaimer

This page provides general education and is not a diagnosis or a substitute for consultation with a qualified healthcare professional. Treatment decisions must be individualized.

Clinical sourcesESC/EACTS Valvular Heart Disease Guideline · ACC/AHA Valvular Heart Disease GuidelineIllustration sourceCarpentier A, Adams DH, Filsoufi F. Carpentier’s Reconstructive Valve Surgery: From Valve Analysis to Valve Reconstruction. Saunders Elsevier; 2010. Chapters 5 and 20.