heart murmur
cardiac murmur
murmur

He was released from the program only because of a small heart murmur discovered during flight training.

At the final physical, they found out that I have a heart murmur.

He had a heart murmur and his mother was worried about it.

He still had a slight problem with a heart murmur.

It can be scary to learn that you or your child has a heart murmur.

She had a heart murmur, and her liver wasn't strong.

But she looks busy, and the heart murmur must be on his notes.

However, families are often anxious when told their child has a heart murmur.

He's got a bit f a heart murmur but you've known about that for some time.