How are heart valve diseases diagnosed?

Heart valve diseases are typically diagnosed through a combination of clinical examinations and specialized cardiac tests. Diagnosis usually begins with listening to the heart using a stethoscope, where a doctor can detect abnormal sounds such as clicks or heart murmurs, which may indicate a problem with one of the valves [1].

If a problem is suspected, the doctor may refer the patient to a cardiologist (heart specialist) for a more detailed physical examination and to order additional tests to confirm the diagnosis and determine the type and severity of the valve disease [1].

Initial Clinical Examination

During the doctor's visit, a comprehensive physical exam will be performed, including listening to the heart and lungs. Heart murmurs can reveal that a valve is not closing tightly (regurgitation) or is narrowed (stenosis) [1]. The doctor may also note other signs, such as swelling in the feet, ankles, or abdomen, which can be indicators of the valve disease's impact on heart function [1].

Specialized Cardiac Tests

To confirm a diagnosis of heart valve disease and determine its impact, the doctor may request one or more of the following tests:

• Echocardiogram: This test is the most common and important for diagnosing heart valve diseases. An echocardiogram uses sound waves to create moving images of the heart, allowing the doctor to see how the valves are working and how blood flows through them. It can determine if a valve is not opening fully (stenosis) or not closing tightly (regurgitation) [1].
• Electrocardiogram (ECG/EKG): This test records the heart's electrical activity and can reveal irregular heartbeats or enlarged heart chambers, which may be caused by valve disease [1].
• Chest X-ray: A chest X-ray can show an enlarged heart or signs of fluid accumulation in the lungs, indicating heart failure resulting from a valve problem [3].
• Cardiac Catheterization: In some cases, cardiac catheterization may be needed to assess the pressure inside the heart chambers and pulmonary arteries, and to obtain more detailed information about the valves [3].
• Cardiac Magnetic Resonance Imaging (MRI) or Computed Tomography (CT) Scan: These tests can provide detailed images of the heart and valves, helping to assess the size and function of the heart [3].

Importance of Early Diagnosis and Follow-up

Early diagnosis of heart valve disease is crucial to ensure appropriate treatment and prevent the condition from worsening [2]. Even if there are no clear symptoms, regular follow-up with a cardiologist and periodic examinations, such as an echocardiogram, are essential to monitor disease progression [2]. You can learn more about Heart valve diseases: symptoms, diagnosis, and modern treatment options (Arabic).

If you are experiencing symptoms such as shortness of breath, chest pain, dizziness, or fainting, it is important to consult a doctor immediately to evaluate your condition [1].

Medical references

• Heart Valve Diseases
• About Heart Valve Disease
• Aortic regurgitation