I am 25 years old, Female. Im not overweight, i excercise. And im pretty thin. Over the past times, i may live comfortably. But there are just times where i have moments with my heart. on the weekday, i was staying up late to wait for my husband to get back from a airplane flight. It took a while, so I stayed up to watch some TV. Then i noticed myself fealing dizzy. And i got up off the couch and noticed throbbings on the upper-left side of my chest. It was fast, strong throbbings. I also felt it in my stomache. I went into the bathroom to look into the mirror. When i got there i looked at my chest and saw a lump pulsating out of my breast. It even went through my shirt. Objects over my left breast could be moved. The fealing was itchy too, the whole time my left breast was itching due to veins in my left breast pumping blood in and out of my heart. Usually i like to work-out. Im afraid when i run, after a while after i run my heart just pumps out of my chest just like it wants to come out of my chest. But my heart could be seen a lot of times even when it isnt beating strong. Like i said i am thin. My rib bones can be easily seen if i suck my belly in. And my heart will poke through the rib-bones. My husband said i have a large heart but i know he was joking. But could I? I went to the doctor and he said it was fine. On the forums i heard some irregular heartbeats are normal. Did any other person have a similar moment with their heart?