π English
Published on September 23, 2026
π©Ί Medically reviewed by Priscilla Afiakurue, MD, Family Medicine Physician | Founder & Lead Medical Editor · Last reviewed: September 2026
π Quick Summary
Valvular heart disease happens when one or more of the heart's four valves do not open or close properly.
The valve may become too narrow, leaky or both, making the heart work harder to move blood around the body.
Some people have no symptoms for years, while others develop breathlessness, tiredness, palpitations, swelling or chest discomfort.
How severe a valve problem is cannot always be judged by symptoms alone.
1οΈβ£ What is valvular heart disease?
The heart has four valves — aortic, mitral, tricuspid and pulmonary — which open and close to keep blood moving in the correct direction.
Valve disease mainly causes two problems:
• Stenosis — the valve becomes narrow and does not open fully
• Regurgitation — the valve does not close properly, allowing blood to leak backwards
A valve can sometimes have both problems.
The aortic and mitral valves are commonly affected.
2οΈβ£ Why does it happen?
Normally, the heart valves open easily when blood needs to move forward and close firmly to stop it flowing backwards.
If a valve becomes stiff, narrowed, damaged or unable to close properly, the heart may need to pump harder or repeatedly handle blood flowing in the wrong direction. Over time, this can enlarge or weaken parts of the heart.
Possible causes include:
• changes to the valves with ageing
• being born with an abnormal valve
• rheumatic fever
• infection of the heart valve, called endocarditis
• damage after a heart attack
• other heart conditions such as cardiomyopathy
π The problem may begin in the valve, but severe disease can eventually affect how well the whole heart pumps.
3οΈβ£ What symptoms can it cause?
Some people have no symptoms, especially during the early stages.
When symptoms develop, they may include:
• shortness of breath, particularly with activity
• unusual tiredness or weakness
• dizziness or fainting
• heart palpitations
• swollen ankles, feet or abdomen
• chest pain or discomfort
Symptoms may develop slowly and can sometimes be mistaken for ageing or becoming less fit.
4οΈβ£ Possible complications
Significant valve disease can sometimes lead to:
• heart failure
• abnormal heart rhythms
• blood clots or stroke with some valve conditions
• pulmonary hypertension
• cardiac arrest in severe cases
π These complications are not inevitable — the risk depends on which valve is affected and how severe the problem is.
5οΈβ£ π©Ί When should you seek medical help? π¨
Arrange medical assessment if you develop:
• repeated breathlessness during normal activities
• increasing tiredness or weakness
• recurrent palpitations
• swollen ankles or feet
• unexplained dizziness or fainting
Seek urgent/emergency medical help if you have:
• severe difficulty breathing
• sudden or severe chest pain
• chest pain with breathlessness or palpitations
• collapse or loss of consciousness
π New or rapidly worsening symptoms should not be assumed to be normal ageing or poor fitness.
6οΈβ£ How is valvular heart disease treated?
Treatment depends on which valve is affected, how severe the problem is and whether it is affecting the heart.
Mild disease may only need regular monitoring.
Other treatment may include:
• medicines to control symptoms or associated heart problems
• treatment of high blood pressure or abnormal heart rhythms
• blood-thinning medicines when appropriate
• procedures to repair the valve
• replacement of a severely damaged valve
Medicines can help manage symptoms and related problems, but they cannot usually repair a mechanically damaged valve itself. Some people eventually need valve repair or replacement.
7οΈβ£ How is it diagnosed?
A healthcare professional may first hear a heart murmur when listening to the heart.
The main test is usually an echocardiogram, which uses ultrasound to show how the valves move and how blood flows through the heart.
Other tests may include:
• ECG
• chest X-ray
• exercise or stress testing
• additional heart imaging when needed
π Echocardiography helps show not just whether valve disease exists, but how severe it is and how it is affecting the heart.
π’ Important Message
Valvular heart disease can remain mild for years, but some valve problems gradually worsen and place increasing strain on the heart.
π If you already have valve disease, regular monitoring matters even when you feel well.
FAQ
• Is a heart murmur the same as valve disease?
No. A murmur is a sound heard through a stethoscope. Some are harmless, while others are caused by valve problems.
• Can heart valve disease be present without symptoms?
Yes. Some significant valve problems cause few or no early symptoms.
• Can valve disease be cured?
Some damaged valves can be repaired or replaced. The best treatment depends on the valve and severity.
• Does every person with valve disease need surgery?
No. Mild disease may only need monitoring, while more severe disease may require a procedure or surgery.
• Can valvular heart disease cause palpitations?
Yes. Some valve problems can occur with abnormal or noticeable heart rhythms.
π§ Why We Delay
Valve disease often progresses gradually. A person may notice that stairs feel harder, they tire more easily or their ankles swell and simply assume they are getting older or becoming unfit.
Because symptoms can creep up slowly, the change may not feel dramatic enough to seek help.
π A gradual decline still counts as a change — especially when breathlessness, swelling, dizziness or reduced exercise ability keeps getting worse.
π Related Health Topics
• Heart Murmur
• Arrhythmias (Irregular Heartbeat)
• Heart Failure
• Atrial Fibrillation
• Heart Attack
• Cardiac Arrest
π Medical References
β American Heart Association (AHA). Symptoms of Heart Valve Disease.
β National Heart, Lung, and Blood Institute (NHLBI). Heart Valve Diseases.
β National Heart, Lung, and Blood Institute (NHLBI). Heart Valve Diseases: Diagnosis.
β National Heart, Lung, and Blood Institute (NHLBI). Heart Valve Diseases: Treatment.
β National Health Service (NHS). Heart Valve Disease.
β Mayo Clinic. Heart Valve Disease: Diagnosis and Treatment.
β οΈ Medical Disclaimer
This article is for educational purposes only and does not replace professional medical advice.