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Endocarditis is a serious infection of the heart’s inner lining, often involving the valves. When bacteria or fungi invade the bloodstream, they can attach to valve surfaces, forming vegetations. These growths disrupt normal valve function, causing leakage (regurgitation) or narrowing (stenosis). Over time, the infection weakens valve tissue, leading to scarring, perforation, or even complete destruction.

Valve damage from endocarditis significantly alters blood flow through the heart. A leaking valve forces the heart to work harder, while a narrowed valve restricts circulation, both contributing to heart failure. Patients may experience fatigue, shortness of breath, chest pain, or swelling in the legs. Severe cases can result in embolism, where fragments of vegetations break off and travel to other organs, causing stroke or organ damage.

Treatment typically involves prolonged intravenous antibiotics to eradicate the infection. In advanced cases, surgical valve repair or replacement becomes necessary to restore proper heart function. Preventive measures, such as maintaining good oral hygiene and using prophylactic antibiotics before certain medical procedures, are crucial for at-risk individuals.

Endocarditis-related valve damage highlights the delicate balance of heart health, where infection can rapidly transform a vital structure into a life-threatening complication.