But even with a serious expression, his portrait made her breath catch and her heart flutter.

But it was the man behind her that made Kathy's heart flutter with nervous excitement.

His words made her heart flutter, but she looked at him sternly.

"I'd take breaks because I was getting a jittery feeling and strange heart flutters," she says.

But after several months, I was getting chest pains and heart flutters.

"Some heart flutter," the doctor said as he adjusted a hypo.

It is hard not to feel a slight heart flutter at the sight.

He grinned at her again, making her young heart flutter.

His words made Nellie's heart flutter, but she controlled herself.