The pulmonary valve is one of the valves that allow blood from the body to return to the lung for oxygenation. The normal pulmonary valve has three leaflets. Obstruction can be at the valve, below the valve or above the valve. The leaflets may be malformed, thus causing the pulmonary valve to become too narrow (stenotic) or leaky (regurgitant).
Patients with mild to moderate pulmonary valve stenosis or regurgitation seldom have other associated heart condition. However if the pulmonary stenosis is severe, it may cause you to be tired and develop shortness of breath easily on slight exertion. You may also experience fast heartbeats (palpitations).
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