Diagnosing Aortic Valve Regurgitation
Aortic valve regurgitation, also known as aortic regurgitation (AR), is a type of valvular heart disease. It occurs when the aortic valve, which is responsible for regulating blood flow from the heart into the aorta, does not close properly.
Specialists involved in diagnosing AR may include cardiologists and healthcare professionals trained in performing specific tests. To diagnose AR health care providers may perform the following test and procedures:
- Physical examination: A healthcare professional may perform a physical exam to assess the symptoms and signs of Aortic Valve Regurgitation. This may involve reviewing the medical history and conducting a symptom review.
- Echocardiography: Transthoracic echocardiography is the primary test used to diagnose Aortic Valve Regurgitation. It uses sound waves to create images of the heart in motion, allowing doctors to assess the aorta and the aortic valve. This test helps determine the cause and mechanism of regurgitation, quantify its severity using multiple parameters, and evaluate its impact on atrial and ventricular size and function.
- Transesophageal echocardiogram (TEE): In cases where additional information is needed or when results from transthoracic echocardiography are inconclusive or contradictory, a TEE may be performed. This involves inserting a small transducer attached to a tube through the mouth into the esophagus (food pipe). TEE provides detailed images of the heart valves, aiding in the assessment of valve anatomy and quantification of regurgitation.
- Cardiovascular magnetic resonance (CMR): CMR may be used as an alternative to echocardiography when assessing regurgitation severity and its effects on chamber size and function. It is a non-invasive imaging technique that uses magnetic fields and radio waves to create detailed images of the heart. However, it is important to note that grading of severity by echocardiography and CMR may differ, with thresholds for intervention being lower using CMR.
- Other imaging tests: Additional imaging tests such as MRI (magnetic resonance imaging) and CT (computed tomography) scans may be used in specific cases before intervention, such as percutaneous valve intervention or concomitant aortic surgery.
- Grading severity: The severity of aortic valve regurgitation can be assessed using parameters like left ventricular end-diastolic and systolic dimensions, doppler flow velocity measurement, and assessment of the length, width, and area of regurgitant jet.
It's important to note that only healthcare professionals can diagnose aortic valve regurgitation accurately. They will consider all relevant clinical information, perform necessary tests, and interpret the results to make an accurate diagnosis. If you suspect you have aortic valve regurgitation or have any concerns about your heart health, it's best to consult with a healthcare professional who can provide personalized advice based on your specific situation.