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Tricuspid valve disease is a condition of the tricuspid valve, which regulates the flow of blood from the right atrium to the right ventricle of the heart. The condition is mostly made up of tricuspid stenosis, where the valve is narrowed, and tricuspid regurgitation, where the valve does not seal properly, enabling blood to seep back. These anomalies increase the workload of the heart and, if left untreated, can eventually lead to failure of the right side of the heart.

Common reasons include congenital heart abnormalities, rheumatic heart disease, infective endocarditis, pulmonary hypertension, and right ventricular hypertrophy. Symptoms tend to come on slowly and may include weariness, swelling of the legs or belly, distension of neck veins, abnormal heart rhythm, and shortness of breath on exertion.

The diagnosis is made with a physical exam, echocardiography, electrocardiogram (ECG), chest X-ray, and sometimes cardiac MRI or cardiac catheterisation to evaluate the valve function and anatomy of the heart. Treatment varies depending on the severity of the condition and the underlying cause. Mild cases may be treated with medication to help minimise fluid retention and regulate symptoms; however, more severe cases may require surgery to repair or replace the tricuspid valve. Early diagnosis, regular monitoring and prompt intervention can greatly improve heart function, ease symptoms and improve long-term quality of life.