What is the primary characteristic of valvular insufficiency?

Valvular insufficiency is primarily characterized by poor valve function, which refers to the failure of a heart valve to close properly. When a valve is insufficient, it allows blood to flow backward, or regurgitate, into the chamber of the heart from which it was just pumped. This can lead to various complications, such as heart enlargement and congestive heart failure, as the heart has to work harder to pump the same volume of blood.

The condition is often the result of various issues, including valve degeneration, rheumatic fever, or other underlying heart diseases which compromise the integrity of the valve structure. Addressing valvular insufficiency often requires medical or surgical intervention to restore proper heart function and prevent further complications. Understanding this characteristic is crucial for recognizing symptoms and diagnosing conditions related to heart health.