It also takes pictures of the heart valves and vessels.
You may not know what a heart valve is - until it stops working right.
The heart valve has been said to have caused hundreds of deaths.
With a large number of bacteria, even a normal heart valve may become infected.
This risk is even greater in people with damaged heart valves.
The heart valves are a part of the human body that does not get blood.
The company has recently come under pressure because of problems with defects in a heart valve it makes.
"The amount of public information on the heart valve is staggering."
There was not a greater risk here than in other heart valves.
Look at the heart valves and check how well they work.
