In 2009 she underwent cardiac surgery to replace a leaky valve.

About 10 years ago, a leaky valve was determined to be the cause.

A leaky valve or some nonsense of that sort, the quacks tell me.

But the real world provides you with a leaky valve.

My legs were shaking, my heart pounding like an engine with leaky valves and shaky old pistons.

Other valve defects include leaky valves that don't close properly and allow blood to leak backwards.

Ninety percent of patients with total repair as infants develop a progressively leaky pulmonary valve later in adulthood.

A leaky valve reduces the efficiency of the heart's pumping action.

"And now they say I've got these leaky valves."

The cause of the anomaly was traced to a leaky valve, which allowed fuel to leak during the coast between the first and second burns.